219219315

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{821}}^1\times {\mathrm{2543}}^1$

素因数の和:3379

約数の個数: 32

約数和(自身を含む): 401504256

約数和(自身を除く): 182284941

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 821, 2463, 2543, 4105, 5747, 7629, 12315, 12715, 17241, 17801, 28735, 38145, 53403, 86205, 89005, 267015, 2087803, 6263409, 10439015, 14614621, 31317045, 43843863, 73073105, 219219315]

約数ペア:

[(1, 219219315), (3, 73073105), (5, 43843863), (7, 31317045), (15, 14614621), (21, 10439015), (35, 6263409), (105, 2087803), (821, 267015), (2463, 89005), (2543, 86205), (4105, 53403), (5747, 38145), (7629, 28735), (12315, 17801), (12715, 17241)]