206898615

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{71}}^1$

素因数の和:158

約数の個数: 144

約数和(自身を含む): 469587456

約数和(自身を除く): 262688841

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 29, 33, 35, 45, 55, 63, 71, 77, 87, 99, 105, 145, 165, 203, 213, 231, 261, 315, 319, 355, 385, 435, 495, 497, 609, 639, 693, 781, 841, 957, 1015, 1065, 1155, 1305, 1491, 1595, 1827, 2059, 2233, 2343, 2485, 2523, 2871, 3045, 3195, 3465, 3905, 4205, 4473, 4785, 5467, 5887, 6177, 6699, 7029, 7455, 7569, 9135, 9251, 10295, 11165, 11715, 12615, 14355, 14413, 16401, 17661, 18531, 20097, 22365, 22649, 27335, 27753, 29435, 30885, 33495, 35145, 37845, 43239, 46255, 49203, 52983, 59711, 64757, 67947, 72065, 82005, 83259, 88305, 92655, 100485, 113245, 129717, 138765, 158543, 179133, 194271, 203841, 216195, 246015, 264915, 298555, 323785, 339735, 416295, 417977, 475629, 537399, 582813, 648585, 656821, 792715, 895665, 971355, 1019205, 1253931, 1426887, 1970463, 2089885, 2378145, 2686995, 2914065, 3284105, 3761793, 4597747, 5911389, 6269655, 7134435, 9852315, 13793241, 18808965, 22988735, 29556945, 41379723, 68966205, 206898615]

約数ペア:

[(1, 206898615), (3, 68966205), (5, 41379723), (7, 29556945), (9, 22988735), (11, 18808965), (15, 13793241), (21, 9852315), (29, 7134435), (33, 6269655), (35, 5911389), (45, 4597747), (55, 3761793), (63, 3284105), (71, 2914065), (77, 2686995), (87, 2378145), (99, 2089885), (105, 1970463), (145, 1426887), (165, 1253931), (203, 1019205), (213, 971355), (231, 895665), (261, 792715), (315, 656821), (319, 648585), (355, 582813), (385, 537399), (435, 475629), (495, 417977), (497, 416295), (609, 339735), (639, 323785), (693, 298555), (781, 264915), (841, 246015), (957, 216195), (1015, 203841), (1065, 194271), (1155, 179133), (1305, 158543), (1491, 138765), (1595, 129717), (1827, 113245), (2059, 100485), (2233, 92655), (2343, 88305), (2485, 83259), (2523, 82005), (2871, 72065), (3045, 67947), (3195, 64757), (3465, 59711), (3905, 52983), (4205, 49203), (4473, 46255), (4785, 43239), (5467, 37845), (5887, 35145), (6177, 33495), (6699, 30885), (7029, 29435), (7455, 27753), (7569, 27335), (9135, 22649), (9251, 22365), (10295, 20097), (11165, 18531), (11715, 17661), (12615, 16401), (14355, 14413)]