353977221

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{21559}}^1$

素因数の和:21996

約数の個数: 16

約数和(自身を含む): 509505920

約数和(自身を除く): 155528699

約数列:

[1, 3, 13, 39, 421, 1263, 5473, 16419, 21559, 64677, 280267, 840801, 9076339, 27229017, 117992407, 353977221]

約数ペア:

[(1, 353977221), (3, 117992407), (13, 27229017), (39, 9076339), (421, 840801), (1263, 280267), (5473, 64677), (16419, 21559)]