9984975

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:70

約数の個数: 144

約数和(自身を含む): 23748480

約数和(自身を除く): 13763505

約数列:

[1, 3, 5, 7, 11, 13, 15, 19, 21, 25, 33, 35, 39, 49, 55, 57, 65, 75, 77, 91, 95, 105, 133, 143, 147, 165, 175, 195, 209, 231, 245, 247, 273, 275, 285, 325, 385, 399, 429, 455, 475, 525, 539, 627, 637, 665, 715, 735, 741, 825, 931, 975, 1001, 1045, 1155, 1225, 1235, 1365, 1425, 1463, 1617, 1729, 1911, 1925, 1995, 2145, 2275, 2695, 2717, 2793, 3003, 3135, 3185, 3325, 3575, 3675, 3705, 4389, 4655, 5005, 5187, 5225, 5775, 6175, 6825, 7007, 7315, 8085, 8151, 8645, 9555, 9975, 10241, 10725, 12103, 13475, 13585, 13965, 15015, 15675, 15925, 18525, 19019, 21021, 21945, 23275, 25025, 25935, 30723, 35035, 36309, 36575, 40425, 40755, 43225, 47775, 51205, 57057, 60515, 67925, 69825, 75075, 95095, 105105, 109725, 129675, 133133, 153615, 175175, 181545, 203775, 256025, 285285, 302575, 399399, 475475, 525525, 665665, 768075, 907725, 1426425, 1996995, 3328325, 9984975]

約数ペア:

[(1, 9984975), (3, 3328325), (5, 1996995), (7, 1426425), (11, 907725), (13, 768075), (15, 665665), (19, 525525), (21, 475475), (25, 399399), (33, 302575), (35, 285285), (39, 256025), (49, 203775), (55, 181545), (57, 175175), (65, 153615), (75, 133133), (77, 129675), (91, 109725), (95, 105105), (105, 95095), (133, 75075), (143, 69825), (147, 67925), (165, 60515), (175, 57057), (195, 51205), (209, 47775), (231, 43225), (245, 40755), (247, 40425), (273, 36575), (275, 36309), (285, 35035), (325, 30723), (385, 25935), (399, 25025), (429, 23275), (455, 21945), (475, 21021), (525, 19019), (539, 18525), (627, 15925), (637, 15675), (665, 15015), (715, 13965), (735, 13585), (741, 13475), (825, 12103), (931, 10725), (975, 10241), (1001, 9975), (1045, 9555), (1155, 8645), (1225, 8151), (1235, 8085), (1365, 7315), (1425, 7007), (1463, 6825), (1617, 6175), (1729, 5775), (1911, 5225), (1925, 5187), (1995, 5005), (2145, 4655), (2275, 4389), (2695, 3705), (2717, 3675), (2793, 3575), (3003, 3325), (3135, 3185)]