15219915

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{461}}^1$

素因数の和:571

約数の個数: 32

約数和(自身を含む): 25546752

約数和(自身を除く): 10326837

約数列:

[1, 3, 5, 15, 31, 71, 93, 155, 213, 355, 461, 465, 1065, 1383, 2201, 2305, 6603, 6915, 11005, 14291, 32731, 33015, 42873, 71455, 98193, 163655, 214365, 490965, 1014661, 3043983, 5073305, 15219915]

約数ペア:

[(1, 15219915), (3, 5073305), (5, 3043983), (15, 1014661), (31, 490965), (71, 214365), (93, 163655), (155, 98193), (213, 71455), (355, 42873), (461, 33015), (465, 32731), (1065, 14291), (1383, 11005), (2201, 6915), (2305, 6603)]