1986525

素因数分解:

$3^6\times 5^2\times {\mathrm{109}}^1$

素因数の和:137

約数の個数: 42

約数和(自身を含む): 3727130

約数和(自身を除く): 1740605

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 109, 135, 225, 243, 327, 405, 545, 675, 729, 981, 1215, 1635, 2025, 2725, 2943, 3645, 4905, 6075, 8175, 8829, 14715, 18225, 24525, 26487, 44145, 73575, 79461, 132435, 220725, 397305, 662175, 1986525]

約数ペア:

[(1, 1986525), (3, 662175), (5, 397305), (9, 220725), (15, 132435), (25, 79461), (27, 73575), (45, 44145), (75, 26487), (81, 24525), (109, 18225), (135, 14715), (225, 8829), (243, 8175), (327, 6075), (405, 4905), (545, 3645), (675, 2943), (729, 2725), (981, 2025), (1215, 1635)]