7421571

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:105

約数の個数: 64

約数和(自身を含む): 13132800

約数和(自身を除く): 5711229

約数列:

[1, 3, 9, 17, 19, 23, 27, 37, 51, 57, 69, 111, 153, 171, 207, 323, 333, 391, 437, 459, 513, 621, 629, 703, 851, 969, 999, 1173, 1311, 1887, 2109, 2553, 2907, 3519, 3933, 5661, 6327, 7429, 7659, 8721, 10557, 11799, 11951, 14467, 16169, 16983, 18981, 22287, 22977, 35853, 43401, 48507, 66861, 107559, 130203, 145521, 200583, 274873, 322677, 390609, 436563, 824619, 2473857, 7421571]

約数ペア:

[(1, 7421571), (3, 2473857), (9, 824619), (17, 436563), (19, 390609), (23, 322677), (27, 274873), (37, 200583), (51, 145521), (57, 130203), (69, 107559), (111, 66861), (153, 48507), (171, 43401), (207, 35853), (323, 22977), (333, 22287), (391, 18981), (437, 16983), (459, 16169), (513, 14467), (621, 11951), (629, 11799), (703, 10557), (851, 8721), (969, 7659), (999, 7429), (1173, 6327), (1311, 5661), (1887, 3933), (2109, 3519), (2553, 2907)]