3131775

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{449}}^1$

素因数の和:496

約数の個数: 36

約数和(自身を含む): 5803200

約数和(自身を除く): 2671425

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 75, 93, 155, 225, 279, 449, 465, 775, 1347, 1395, 2245, 2325, 4041, 6735, 6975, 11225, 13919, 20205, 33675, 41757, 69595, 101025, 125271, 208785, 347975, 626355, 1043925, 3131775]

約数ペア:

[(1, 3131775), (3, 1043925), (5, 626355), (9, 347975), (15, 208785), (25, 125271), (31, 101025), (45, 69595), (75, 41757), (93, 33675), (155, 20205), (225, 13919), (279, 11225), (449, 6975), (465, 6735), (775, 4041), (1347, 2325), (1395, 2245)]