161556531

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1607}}^1$

素因数の和:1711

約数の個数: 32

約数和(自身を含む): 237109248

約数和(自身を除く): 75552717

約数列:

[1, 3, 23, 31, 47, 69, 93, 141, 713, 1081, 1457, 1607, 2139, 3243, 4371, 4821, 33511, 36961, 49817, 75529, 100533, 110883, 149451, 226587, 1145791, 1737167, 2341399, 3437373, 5211501, 7024197, 53852177, 161556531]

約数ペア:

[(1, 161556531), (3, 53852177), (23, 7024197), (31, 5211501), (47, 3437373), (69, 2341399), (93, 1737167), (141, 1145791), (713, 226587), (1081, 149451), (1457, 110883), (1607, 100533), (2139, 75529), (3243, 49817), (4371, 36961), (4821, 33511)]