666004245

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{11743}}^1$

素因数の和:11969

約数の個数: 32

約数和(自身を含む): 1127424000

約数和(自身を除く): 461419755

約数列:

[1, 3, 5, 15, 19, 57, 95, 199, 285, 597, 995, 2985, 3781, 11343, 11743, 18905, 35229, 56715, 58715, 176145, 223117, 669351, 1115585, 2336857, 3346755, 7010571, 11684285, 35052855, 44400283, 133200849, 222001415, 666004245]

約数ペア:

[(1, 666004245), (3, 222001415), (5, 133200849), (15, 44400283), (19, 35052855), (57, 11684285), (95, 7010571), (199, 3346755), (285, 2336857), (597, 1115585), (995, 669351), (2985, 223117), (3781, 176145), (11343, 58715), (11743, 56715), (18905, 35229)]