420359265

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^2\times {\mathrm{5557}}^1$

素因数の和:5650

約数の個数: 36

約数和(自身を含む): 746961852

約数和(自身を除く): 326602587

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1681, 1845, 5043, 5557, 8405, 15129, 16671, 25215, 27785, 50013, 75645, 83355, 227837, 250065, 683511, 1139185, 2050533, 3417555, 9341317, 10252665, 28023951, 46706585, 84071853, 140119755, 420359265]

約数ペア:

[(1, 420359265), (3, 140119755), (5, 84071853), (9, 46706585), (15, 28023951), (41, 10252665), (45, 9341317), (123, 3417555), (205, 2050533), (369, 1139185), (615, 683511), (1681, 250065), (1845, 227837), (5043, 83355), (5557, 75645), (8405, 50013), (15129, 27785), (16671, 25215)]