80727975

素因数分解:

$3^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{2917}}^1$

素因数の和:2977

約数の個数: 48

約数和(自身を含む): 151969440

約数和(自身を除く): 71241465

約数列:

[1, 3, 5, 9, 15, 25, 27, 41, 45, 75, 123, 135, 205, 225, 369, 615, 675, 1025, 1107, 1845, 2917, 3075, 5535, 8751, 9225, 14585, 26253, 27675, 43755, 72925, 78759, 119597, 131265, 218775, 358791, 393795, 597985, 656325, 1076373, 1793955, 1968975, 2989925, 3229119, 5381865, 8969775, 16145595, 26909325, 80727975]

約数ペア:

[(1, 80727975), (3, 26909325), (5, 16145595), (9, 8969775), (15, 5381865), (25, 3229119), (27, 2989925), (41, 1968975), (45, 1793955), (75, 1076373), (123, 656325), (135, 597985), (205, 393795), (225, 358791), (369, 218775), (615, 131265), (675, 119597), (1025, 78759), (1107, 72925), (1845, 43755), (2917, 27675), (3075, 26253), (5535, 14585), (8751, 9225)]