27820585

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{1481}}^1$

素因数の和:1533

約数の個数: 24

約数和(自身を含む): 38217816

約数和(自身を除く): 10397231

約数列:

[1, 5, 13, 17, 65, 85, 221, 289, 1105, 1445, 1481, 3757, 7405, 18785, 19253, 25177, 96265, 125885, 327301, 428009, 1636505, 2140045, 5564117, 27820585]

約数ペア:

[(1, 27820585), (5, 5564117), (13, 2140045), (17, 1636505), (65, 428009), (85, 327301), (221, 125885), (289, 96265), (1105, 25177), (1445, 19253), (1481, 18785), (3757, 7405)]