201816945

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{827}}^1$

素因数の和:895

約数の個数: 96

約数和(自身を含む): 418504320

約数和(自身を除く): 216687375

約数列:

[1, 3, 5, 9, 11, 15, 17, 29, 33, 45, 51, 55, 85, 87, 99, 145, 153, 165, 187, 255, 261, 319, 435, 493, 495, 561, 765, 827, 935, 957, 1305, 1479, 1595, 1683, 2465, 2481, 2805, 2871, 4135, 4437, 4785, 5423, 7395, 7443, 8415, 9097, 12405, 14059, 14355, 16269, 22185, 23983, 27115, 27291, 37215, 42177, 45485, 48807, 70295, 71949, 81345, 81873, 119915, 126531, 136455, 154649, 210885, 215847, 244035, 263813, 359745, 407711, 409365, 463947, 632655, 773245, 791439, 1079235, 1223133, 1319065, 1391841, 2038555, 2319735, 2374317, 3669399, 3957195, 4484821, 6115665, 6959205, 11871585, 13454463, 18346995, 22424105, 40363389, 67272315, 201816945]

約数ペア:

[(1, 201816945), (3, 67272315), (5, 40363389), (9, 22424105), (11, 18346995), (15, 13454463), (17, 11871585), (29, 6959205), (33, 6115665), (45, 4484821), (51, 3957195), (55, 3669399), (85, 2374317), (87, 2319735), (99, 2038555), (145, 1391841), (153, 1319065), (165, 1223133), (187, 1079235), (255, 791439), (261, 773245), (319, 632655), (435, 463947), (493, 409365), (495, 407711), (561, 359745), (765, 263813), (827, 244035), (935, 215847), (957, 210885), (1305, 154649), (1479, 136455), (1595, 126531), (1683, 119915), (2465, 81873), (2481, 81345), (2805, 71949), (2871, 70295), (4135, 48807), (4437, 45485), (4785, 42177), (5423, 37215), (7395, 27291), (7443, 27115), (8415, 23983), (9097, 22185), (12405, 16269), (14059, 14355)]