12957855

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^3\times {\mathrm{71}}^1$

素因数の和:148

約数の個数: 32

約数和(自身を含む): 21980160

約数和(自身を除く): 9022305

約数列:

[1, 3, 5, 15, 23, 69, 71, 115, 213, 345, 355, 529, 1065, 1587, 1633, 2645, 4899, 7935, 8165, 12167, 24495, 36501, 37559, 60835, 112677, 182505, 187795, 563385, 863857, 2591571, 4319285, 12957855]

約数ペア:

[(1, 12957855), (3, 4319285), (5, 2591571), (15, 863857), (23, 563385), (69, 187795), (71, 182505), (115, 112677), (213, 60835), (345, 37559), (355, 36501), (529, 24495), (1065, 12167), (1587, 8165), (1633, 7935), (2645, 4899)]