15315138

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:519

約数の個数: 48

約数和(自身を含む): 34759296

約数和(自身を除く): 19444158

約数列:

[1, 2, 3, 6, 9, 18, 43, 47, 86, 94, 129, 141, 258, 282, 387, 421, 423, 774, 842, 846, 1263, 2021, 2526, 3789, 4042, 6063, 7578, 12126, 18103, 18189, 19787, 36206, 36378, 39574, 54309, 59361, 108618, 118722, 162927, 178083, 325854, 356166, 850841, 1701682, 2552523, 5105046, 7657569, 15315138]

約数ペア:

[(1, 15315138), (2, 7657569), (3, 5105046), (6, 2552523), (9, 1701682), (18, 850841), (43, 356166), (47, 325854), (86, 178083), (94, 162927), (129, 118722), (141, 108618), (258, 59361), (282, 54309), (387, 39574), (421, 36378), (423, 36206), (774, 19787), (842, 18189), (846, 18103), (1263, 12126), (2021, 7578), (2526, 6063), (3789, 4042)]