138437943

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{443}}^1\times {\mathrm{647}}^1$

素因数の和:1123

約数の個数: 32

約数和(自身を含む): 220962816

約数和(自身を除く): 82524873

約数列:

[1, 3, 7, 21, 23, 69, 161, 443, 483, 647, 1329, 1941, 3101, 4529, 9303, 10189, 13587, 14881, 30567, 44643, 71323, 104167, 213969, 286621, 312501, 859863, 2006347, 6019041, 6592283, 19776849, 46145981, 138437943]

約数ペア:

[(1, 138437943), (3, 46145981), (7, 19776849), (21, 6592283), (23, 6019041), (69, 2006347), (161, 859863), (443, 312501), (483, 286621), (647, 213969), (1329, 104167), (1941, 71323), (3101, 44643), (4529, 30567), (9303, 14881), (10189, 13587)]