28478505

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{172597}}^1$

素因数の和:172616

約数の個数: 16

約数和(自身を含む): 49708224

約数和(自身を除く): 21229719

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 172597, 517791, 862985, 1898567, 2588955, 5695701, 9492835, 28478505]

約数ペア:

[(1, 28478505), (3, 9492835), (5, 5695701), (11, 2588955), (15, 1898567), (33, 862985), (55, 517791), (165, 172597)]