85657725

素因数分解:

$3^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{79}}^2$

素因数の和:235

約数の個数: 54

約数和(自身を含む): 157936506

約数和(自身を除く): 72278781

約数列:

[1, 3, 5, 9, 15, 25, 45, 61, 75, 79, 183, 225, 237, 305, 395, 549, 711, 915, 1185, 1525, 1975, 2745, 3555, 4575, 4819, 5925, 6241, 13725, 14457, 17775, 18723, 24095, 31205, 43371, 56169, 72285, 93615, 120475, 156025, 216855, 280845, 361425, 380701, 468075, 1084275, 1142103, 1404225, 1903505, 3426309, 5710515, 9517525, 17131545, 28552575, 85657725]

約数ペア:

[(1, 85657725), (3, 28552575), (5, 17131545), (9, 9517525), (15, 5710515), (25, 3426309), (45, 1903505), (61, 1404225), (75, 1142103), (79, 1084275), (183, 468075), (225, 380701), (237, 361425), (305, 280845), (395, 216855), (549, 156025), (711, 120475), (915, 93615), (1185, 72285), (1525, 56169), (1975, 43371), (2745, 31205), (3555, 24095), (4575, 18723), (4819, 17775), (5925, 14457), (6241, 13725)]