205870545

素因数分解:

$3^3\times 5^1\times {\mathrm{521}}^1\times {\mathrm{2927}}^1$

素因数の和:3462

約数の個数: 32

約数和(自身を含む): 366819840

約数和(自身を除く): 160949295

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 521, 1563, 2605, 2927, 4689, 7815, 8781, 14067, 14635, 23445, 26343, 43905, 70335, 79029, 131715, 395145, 1524967, 4574901, 7624835, 13724703, 22874505, 41174109, 68623515, 205870545]

約数ペア:

[(1, 205870545), (3, 68623515), (5, 41174109), (9, 22874505), (15, 13724703), (27, 7624835), (45, 4574901), (135, 1524967), (521, 395145), (1563, 131715), (2605, 79029), (2927, 70335), (4689, 43905), (7815, 26343), (8781, 23445), (14067, 14635)]