16980525

素因数分解:

$3^2\times 5^2\times {\mathrm{163}}^1\times {\mathrm{463}}^1$

素因数の和:642

約数の個数: 36

約数和(自身を含む): 30666688

約数和(自身を除く): 13686163

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 163, 225, 463, 489, 815, 1389, 1467, 2315, 2445, 4075, 4167, 6945, 7335, 11575, 12225, 20835, 34725, 36675, 75469, 104175, 226407, 377345, 679221, 1132035, 1886725, 3396105, 5660175, 16980525]

約数ペア:

[(1, 16980525), (3, 5660175), (5, 3396105), (9, 1886725), (15, 1132035), (25, 679221), (45, 377345), (75, 226407), (163, 104175), (225, 75469), (463, 36675), (489, 34725), (815, 20835), (1389, 12225), (1467, 11575), (2315, 7335), (2445, 6945), (4075, 4167)]