15640527

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{227}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 25477632

約数和(自身を除く): 9837105

約数列:

[1, 3, 7, 17, 21, 51, 119, 193, 227, 357, 579, 681, 1351, 1589, 3281, 3859, 4053, 4767, 9843, 11577, 22967, 27013, 43811, 68901, 81039, 131433, 306677, 744787, 920031, 2234361, 5213509, 15640527]

約数ペア:

[(1, 15640527), (3, 5213509), (7, 2234361), (17, 920031), (21, 744787), (51, 306677), (119, 131433), (193, 81039), (227, 68901), (357, 43811), (579, 27013), (681, 22967), (1351, 11577), (1589, 9843), (3281, 4767), (3859, 4053)]