72842157

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{1993}}^1$

素因数の和:2161

約数の個数: 24

約数和(自身を含む): 109494528

約数和(自身を除く): 36652371

約数列:

[1, 3, 9, 31, 93, 131, 279, 393, 1179, 1993, 4061, 5979, 12183, 17937, 36549, 61783, 185349, 261083, 556047, 783249, 2349747, 8093573, 24280719, 72842157]

約数ペア:

[(1, 72842157), (3, 24280719), (9, 8093573), (31, 2349747), (93, 783249), (131, 556047), (279, 261083), (393, 185349), (1179, 61783), (1993, 36549), (4061, 17937), (5979, 12183)]