85780575

素因数分解:

$3^2\times 5^2\times {\mathrm{461}}^1\times {\mathrm{827}}^1$

素因数の和:1304

約数の個数: 36

約数和(自身を含む): 154162008

約数和(自身を除く): 68381433

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 461, 827, 1383, 2305, 2481, 4135, 4149, 6915, 7443, 11525, 12405, 20675, 20745, 34575, 37215, 62025, 103725, 186075, 381247, 1143741, 1906235, 3431223, 5718705, 9531175, 17156115, 28593525, 85780575]

約数ペア:

[(1, 85780575), (3, 28593525), (5, 17156115), (9, 9531175), (15, 5718705), (25, 3431223), (45, 1906235), (75, 1143741), (225, 381247), (461, 186075), (827, 103725), (1383, 62025), (2305, 37215), (2481, 34575), (4135, 20745), (4149, 20675), (6915, 12405), (7443, 11525)]