25177239

素因数分解:

$3^2\times {\mathrm{31}}^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:180

約数の個数: 36

約数和(自身を含む): 39036816

約数和(自身を除く): 13859577

約数列:

[1, 3, 9, 31, 41, 71, 93, 123, 213, 279, 369, 639, 961, 1271, 2201, 2883, 2911, 3813, 6603, 8649, 8733, 11439, 19809, 26199, 39401, 68231, 90241, 118203, 204693, 270723, 354609, 614079, 812169, 2797471, 8392413, 25177239]

約数ペア:

[(1, 25177239), (3, 8392413), (9, 2797471), (31, 812169), (41, 614079), (71, 354609), (93, 270723), (123, 204693), (213, 118203), (279, 90241), (369, 68231), (639, 39401), (961, 26199), (1271, 19809), (2201, 11439), (2883, 8733), (2911, 8649), (3813, 6603)]