31605861

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1$

素因数の和:525

約数の個数: 32

約数和(自身を含む): 49870080

約数和(自身を除く): 18264219

約数列:

[1, 3, 7, 21, 53, 73, 159, 219, 371, 389, 511, 1113, 1167, 1533, 2723, 3869, 8169, 11607, 20617, 27083, 28397, 61851, 81249, 85191, 144319, 198779, 432957, 596337, 1505041, 4515123, 10535287, 31605861]

約数ペア:

[(1, 31605861), (3, 10535287), (7, 4515123), (21, 1505041), (53, 596337), (73, 432957), (159, 198779), (219, 144319), (371, 85191), (389, 81249), (511, 61851), (1113, 28397), (1167, 27083), (1533, 20617), (2723, 11607), (3869, 8169)]