1840725

素因数分解:

$3^6\times 5^2\times {\mathrm{101}}^1$

素因数の和:129

約数の個数: 42

約数和(自身を含む): 3456066

約数和(自身を除く): 1615341

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 101, 135, 225, 243, 303, 405, 505, 675, 729, 909, 1215, 1515, 2025, 2525, 2727, 3645, 4545, 6075, 7575, 8181, 13635, 18225, 22725, 24543, 40905, 68175, 73629, 122715, 204525, 368145, 613575, 1840725]

約数ペア:

[(1, 1840725), (3, 613575), (5, 368145), (9, 204525), (15, 122715), (25, 73629), (27, 68175), (45, 40905), (75, 24543), (81, 22725), (101, 18225), (135, 13635), (225, 8181), (243, 7575), (303, 6075), (405, 4545), (505, 3645), (675, 2727), (729, 2525), (909, 2025), (1215, 1515)]