78911235

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3137}}^1$

素因数の和:3204

約数の個数: 48

約数和(自身を含む): 150774624

約数和(自身を除く): 71863389

約数列:

[1, 3, 5, 9, 13, 15, 39, 43, 45, 65, 117, 129, 195, 215, 387, 559, 585, 645, 1677, 1935, 2795, 3137, 5031, 8385, 9411, 15685, 25155, 28233, 40781, 47055, 122343, 134891, 141165, 203905, 367029, 404673, 611715, 674455, 1214019, 1753583, 1835145, 2023365, 5260749, 6070095, 8767915, 15782247, 26303745, 78911235]

約数ペア:

[(1, 78911235), (3, 26303745), (5, 15782247), (9, 8767915), (13, 6070095), (15, 5260749), (39, 2023365), (43, 1835145), (45, 1753583), (65, 1214019), (117, 674455), (129, 611715), (195, 404673), (215, 367029), (387, 203905), (559, 141165), (585, 134891), (645, 122343), (1677, 47055), (1935, 40781), (2795, 28233), (3137, 25155), (5031, 15685), (8385, 9411)]