15971475

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{16381}}^1$

素因数の和:16407

約数の個数: 24

約数和(自身を含む): 28439152

約数和(自身を除く): 12467677

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 16381, 49143, 81905, 212953, 245715, 409525, 638859, 1064765, 1228575, 3194295, 5323825, 15971475]

約数ペア:

[(1, 15971475), (3, 5323825), (5, 3194295), (13, 1228575), (15, 1064765), (25, 638859), (39, 409525), (65, 245715), (75, 212953), (195, 81905), (325, 49143), (975, 16381)]