56987985

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{739}}^1$

素因数の和:897

約数の個数: 32

約数和(自身を含む): 93985920

約数和(自身を除く): 36997935

約数列:

[1, 3, 5, 15, 53, 97, 159, 265, 291, 485, 739, 795, 1455, 2217, 3695, 5141, 11085, 15423, 25705, 39167, 71683, 77115, 117501, 195835, 215049, 358415, 587505, 1075245, 3799199, 11397597, 18995995, 56987985]

約数ペア:

[(1, 56987985), (3, 18995995), (5, 11397597), (15, 3799199), (53, 1075245), (97, 587505), (159, 358415), (265, 215049), (291, 195835), (485, 117501), (739, 77115), (795, 71683), (1455, 39167), (2217, 25705), (3695, 15423), (5141, 11085)]