15620415

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{241}}^1$

素因数の和:427

約数の個数: 32

約数和(自身を含む): 26136000

約数和(自身を除く): 10515585

約数列:

[1, 3, 5, 15, 29, 87, 145, 149, 241, 435, 447, 723, 745, 1205, 2235, 3615, 4321, 6989, 12963, 20967, 21605, 34945, 35909, 64815, 104835, 107727, 179545, 538635, 1041361, 3124083, 5206805, 15620415]

約数ペア:

[(1, 15620415), (3, 5206805), (5, 3124083), (15, 1041361), (29, 538635), (87, 179545), (145, 107727), (149, 104835), (241, 64815), (435, 35909), (447, 34945), (723, 21605), (745, 20967), (1205, 12963), (2235, 6989), (3615, 4321)]