15221497291

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{38303}}^1$

素因数の和:38731

約数の個数: 32

約数和(自身を含む): 20489269248

約数和(自身を除く): 5267771957

約数列:

[1, 7, 11, 13, 77, 91, 143, 397, 1001, 2779, 4367, 5161, 30569, 36127, 38303, 56771, 268121, 397397, 421333, 497939, 2949331, 3485573, 5477329, 15206291, 38341303, 106444037, 167269201, 197681783, 1170884407, 1383772481, 2174499613, 15221497291]

約数ペア:

[(1, 15221497291), (7, 2174499613), (11, 1383772481), (13, 1170884407), (77, 197681783), (91, 167269201), (143, 106444037), (397, 38341303), (1001, 15206291), (2779, 5477329), (4367, 3485573), (5161, 2949331), (30569, 497939), (36127, 421333), (38303, 397397), (56771, 268121)]