161888307

素因数分解:

$3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{15511}}^1$

素因数の和:15599

約数の個数: 24

約数和(自身を含む): 254644992

約数和(自身を除く): 92756685

約数列:

[1, 3, 7, 21, 49, 71, 147, 213, 497, 1491, 3479, 10437, 15511, 46533, 108577, 325731, 760039, 1101281, 2280117, 3303843, 7708967, 23126901, 53962769, 161888307]

約数ペア:

[(1, 161888307), (3, 53962769), (7, 23126901), (21, 7708967), (49, 3303843), (71, 2280117), (147, 1101281), (213, 760039), (497, 325731), (1491, 108577), (3479, 46533), (10437, 15511)]