200720835

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{701}}^1$

素因数の和:826

約数の個数: 80

約数和(自身を含む): 415876032

約数和(自身を除く): 215155197

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 101, 105, 135, 189, 303, 315, 405, 505, 567, 701, 707, 909, 945, 1515, 2103, 2121, 2727, 2835, 3505, 3535, 4545, 4907, 6309, 6363, 8181, 10515, 10605, 13635, 14721, 18927, 19089, 24535, 31545, 31815, 40905, 44163, 56781, 57267, 70801, 73605, 94635, 95445, 132489, 212403, 220815, 283905, 286335, 354005, 397467, 495607, 637209, 662445, 1062015, 1486821, 1911627, 1987335, 2478035, 3186045, 4460463, 5734881, 7434105, 9558135, 13381389, 22302315, 28674405, 40144167, 66906945, 200720835]

約数ペア:

[(1, 200720835), (3, 66906945), (5, 40144167), (7, 28674405), (9, 22302315), (15, 13381389), (21, 9558135), (27, 7434105), (35, 5734881), (45, 4460463), (63, 3186045), (81, 2478035), (101, 1987335), (105, 1911627), (135, 1486821), (189, 1062015), (303, 662445), (315, 637209), (405, 495607), (505, 397467), (567, 354005), (701, 286335), (707, 283905), (909, 220815), (945, 212403), (1515, 132489), (2103, 95445), (2121, 94635), (2727, 73605), (2835, 70801), (3505, 57267), (3535, 56781), (4545, 44163), (4907, 40905), (6309, 31815), (6363, 31545), (8181, 24535), (10515, 19089), (10605, 18927), (13635, 14721)]