288797481

素因数分解:

$3^5\times 7^1\times {\mathrm{41}}^2\times {\mathrm{101}}^1$

素因数の和:205

約数の個数: 72

約数和(自身を含む): 511772352

約数和(自身を除く): 222974871

約数列:

[1, 3, 7, 9, 21, 27, 41, 63, 81, 101, 123, 189, 243, 287, 303, 369, 567, 707, 861, 909, 1107, 1681, 1701, 2121, 2583, 2727, 3321, 4141, 5043, 6363, 7749, 8181, 9963, 11767, 12423, 15129, 19089, 23247, 24543, 28987, 35301, 37269, 45387, 57267, 69741, 86961, 105903, 111807, 136161, 169781, 171801, 260883, 317709, 335421, 408483, 509343, 782649, 953127, 1006263, 1188467, 1528029, 2347947, 2859381, 3565401, 4584087, 7043841, 10696203, 13752261, 32088609, 41256783, 96265827, 288797481]

約数ペア:

[(1, 288797481), (3, 96265827), (7, 41256783), (9, 32088609), (21, 13752261), (27, 10696203), (41, 7043841), (63, 4584087), (81, 3565401), (101, 2859381), (123, 2347947), (189, 1528029), (243, 1188467), (287, 1006263), (303, 953127), (369, 782649), (567, 509343), (707, 408483), (861, 335421), (909, 317709), (1107, 260883), (1681, 171801), (1701, 169781), (2121, 136161), (2583, 111807), (2727, 105903), (3321, 86961), (4141, 69741), (5043, 57267), (6363, 45387), (7749, 37269), (8181, 35301), (9963, 28987), (11767, 24543), (12423, 23247), (15129, 19089)]