215865189

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{347609}}^1$

素因数の和:347641

約数の個数: 16

約数和(自身を含む): 333705600

約数和(自身を除く): 117840411

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 347609, 1042827, 3128481, 7995007, 9385443, 23985021, 71955063, 215865189]

約数ペア:

[(1, 215865189), (3, 71955063), (9, 23985021), (23, 9385443), (27, 7995007), (69, 3128481), (207, 1042827), (621, 347609)]