81272877

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{1181}}^1$

素因数の和:1333

約数の個数: 32

約数和(自身を含む): 129358080

約数和(自身を除く): 48085203

約数列:

[1, 3, 7, 21, 29, 87, 113, 203, 339, 609, 791, 1181, 2373, 3277, 3543, 8267, 9831, 22939, 24801, 34249, 68817, 102747, 133453, 239743, 400359, 719229, 934171, 2802513, 3870137, 11610411, 27090959, 81272877]

約数ペア:

[(1, 81272877), (3, 27090959), (7, 11610411), (21, 3870137), (29, 2802513), (87, 934171), (113, 719229), (203, 400359), (339, 239743), (609, 133453), (791, 102747), (1181, 68817), (2373, 34249), (3277, 24801), (3543, 22939), (8267, 9831)]