71056713

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{103}}^1$

素因数の和:171

約数の個数: 72

約数和(自身を含む): 126479808

約数和(自身を除く): 55423095

約数列:

[1, 3, 7, 13, 19, 21, 39, 49, 57, 91, 103, 133, 147, 247, 273, 309, 361, 399, 637, 721, 741, 931, 1083, 1339, 1729, 1911, 1957, 2163, 2527, 2793, 4017, 4693, 5047, 5187, 5871, 7581, 9373, 12103, 13699, 14079, 15141, 17689, 25441, 28119, 32851, 36309, 37183, 41097, 53067, 65611, 76323, 95893, 98553, 111549, 178087, 196833, 229957, 260281, 287679, 483379, 534261, 689871, 780843, 1246609, 1450137, 1821967, 3383653, 3739827, 5465901, 10150959, 23685571, 71056713]

約数ペア:

[(1, 71056713), (3, 23685571), (7, 10150959), (13, 5465901), (19, 3739827), (21, 3383653), (39, 1821967), (49, 1450137), (57, 1246609), (91, 780843), (103, 689871), (133, 534261), (147, 483379), (247, 287679), (273, 260281), (309, 229957), (361, 196833), (399, 178087), (637, 111549), (721, 98553), (741, 95893), (931, 76323), (1083, 65611), (1339, 53067), (1729, 41097), (1911, 37183), (1957, 36309), (2163, 32851), (2527, 28119), (2793, 25441), (4017, 17689), (4693, 15141), (5047, 14079), (5187, 13699), (5871, 12103), (7581, 9373)]