1649660013

素因数分解:

$3^4\times {\mathrm{373}}^1\times {\mathrm{54601}}^1$

素因数の和:54986

約数の個数: 20

約数和(自身を含む): 2470958908

約数和(自身を除く): 821298895

約数列:

[1, 3, 9, 27, 81, 373, 1119, 3357, 10071, 30213, 54601, 163803, 491409, 1474227, 4422681, 20366173, 61098519, 183295557, 549886671, 1649660013]

約数ペア:

[(1, 1649660013), (3, 549886671), (9, 183295557), (27, 61098519), (81, 20366173), (373, 4422681), (1119, 1474227), (3357, 491409), (10071, 163803), (30213, 54601)]