643383

素因数分解:

$3^4\times {\mathrm{13}}^2\times {\mathrm{47}}^1$

素因数の和:85

約数の個数: 30

約数和(自身を含む): 1062864

約数和(自身を除く): 419481

約数列:

[1, 3, 9, 13, 27, 39, 47, 81, 117, 141, 169, 351, 423, 507, 611, 1053, 1269, 1521, 1833, 3807, 4563, 5499, 7943, 13689, 16497, 23829, 49491, 71487, 214461, 643383]

約数ペア:

[(1, 643383), (3, 214461), (9, 71487), (13, 49491), (27, 23829), (39, 16497), (47, 13689), (81, 7943), (117, 5499), (141, 4563), (169, 3807), (351, 1833), (423, 1521), (507, 1269), (611, 1053)]