15312171

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{547}}^1$

素因数の和:631

約数の個数: 32

約数和(自身を含む): 24690688

約数和(自身を除く): 9378517

約数列:

[1, 3, 7, 21, 31, 43, 93, 129, 217, 301, 547, 651, 903, 1333, 1641, 3829, 3999, 9331, 11487, 16957, 23521, 27993, 50871, 70563, 118699, 164647, 356097, 493941, 729151, 2187453, 5104057, 15312171]

約数ペア:

[(1, 15312171), (3, 5104057), (7, 2187453), (21, 729151), (31, 493941), (43, 356097), (93, 164647), (129, 118699), (217, 70563), (301, 50871), (547, 27993), (651, 23521), (903, 16957), (1333, 11487), (1641, 9331), (3829, 3999)]