390985857

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73757}}^1$

素因数の和:73813

約数の個数: 24

約数和(自身を含む): 613666560

約数和(自身を除く): 222680703

約数列:

[1, 3, 9, 19, 31, 57, 93, 171, 279, 589, 1767, 5301, 73757, 221271, 663813, 1401383, 2286467, 4204149, 6859401, 12612447, 20578203, 43442873, 130328619, 390985857]

約数ペア:

[(1, 390985857), (3, 130328619), (9, 43442873), (19, 20578203), (31, 12612447), (57, 6859401), (93, 4204149), (171, 2286467), (279, 1401383), (589, 663813), (1767, 221271), (5301, 73757)]