858205257

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{547}}^1\times {\mathrm{821}}^1$

素因数の和:1398

約数の個数: 48

約数和(自身を含む): 1437855552

約数和(自身を除く): 579650295

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 547, 637, 821, 1641, 1911, 2463, 3829, 5747, 7111, 10673, 11487, 17241, 21333, 26803, 32019, 40229, 49777, 74711, 80409, 120687, 149331, 224133, 348439, 449087, 522977, 1045317, 1347261, 1568931, 3143609, 5838131, 9430827, 17514393, 22005263, 40866917, 66015789, 122600751, 286068419, 858205257]

約数ペア:

[(1, 858205257), (3, 286068419), (7, 122600751), (13, 66015789), (21, 40866917), (39, 22005263), (49, 17514393), (91, 9430827), (147, 5838131), (273, 3143609), (547, 1568931), (637, 1347261), (821, 1045317), (1641, 522977), (1911, 449087), (2463, 348439), (3829, 224133), (5747, 149331), (7111, 120687), (10673, 80409), (11487, 74711), (17241, 49777), (21333, 40229), (26803, 32019)]