85847445

素因数分解:

$3^4\times 5^1\times {\mathrm{211969}}^1$

素因数の和:211986

約数の個数: 20

約数和(自身を含む): 153890220

約数和(自身を除く): 68042775

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 211969, 635907, 1059845, 1907721, 3179535, 5723163, 9538605, 17169489, 28615815, 85847445]

約数ペア:

[(1, 85847445), (3, 28615815), (5, 17169489), (9, 9538605), (15, 5723163), (27, 3179535), (45, 1907721), (81, 1059845), (135, 635907), (405, 211969)]