39195855

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 70218720

約数和(自身を除く): 31022865

約数列:

[1, 3, 5, 9, 15, 45, 61, 109, 131, 183, 305, 327, 393, 545, 549, 655, 915, 981, 1179, 1635, 1965, 2745, 4905, 5895, 6649, 7991, 14279, 19947, 23973, 33245, 39955, 42837, 59841, 71395, 71919, 99735, 119865, 128511, 214185, 299205, 359595, 642555, 871019, 2613057, 4355095, 7839171, 13065285, 39195855]

約数ペア:

[(1, 39195855), (3, 13065285), (5, 7839171), (9, 4355095), (15, 2613057), (45, 871019), (61, 642555), (109, 359595), (131, 299205), (183, 214185), (305, 128511), (327, 119865), (393, 99735), (545, 71919), (549, 71395), (655, 59841), (915, 42837), (981, 39955), (1179, 33245), (1635, 23973), (1965, 19947), (2745, 14279), (4905, 7991), (5895, 6649)]