12459279

素因数分解:

$3^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{647}}^1$

素因数の和:795

約数の個数: 24

約数和(自身を含む): 19502208

約数和(自身を除く): 7042929

約数列:

[1, 3, 7, 21, 49, 131, 147, 393, 647, 917, 1941, 2751, 4529, 6419, 13587, 19257, 31703, 84757, 95109, 254271, 593299, 1779897, 4153093, 12459279]

約数ペア:

[(1, 12459279), (3, 4153093), (7, 1779897), (21, 593299), (49, 254271), (131, 95109), (147, 84757), (393, 31703), (647, 19257), (917, 13587), (1941, 6419), (2751, 4529)]