287782209

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{4219}}^1$

素因数の和:4302

約数の個数: 48

約数和(自身を含む): 497689920

約数和(自身を除く): 209907711

約数列:

[1, 3, 9, 11, 13, 33, 39, 53, 99, 117, 143, 159, 429, 477, 583, 689, 1287, 1749, 2067, 4219, 5247, 6201, 7579, 12657, 22737, 37971, 46409, 54847, 68211, 139227, 164541, 223607, 417681, 493623, 603317, 670821, 1809951, 2012463, 2459677, 2906891, 5429853, 7379031, 8720673, 22137093, 26162019, 31975801, 95927403, 287782209]

約数ペア:

[(1, 287782209), (3, 95927403), (9, 31975801), (11, 26162019), (13, 22137093), (33, 8720673), (39, 7379031), (53, 5429853), (99, 2906891), (117, 2459677), (143, 2012463), (159, 1809951), (429, 670821), (477, 603317), (583, 493623), (689, 417681), (1287, 223607), (1749, 164541), (2067, 139227), (4219, 68211), (5247, 54847), (6201, 46409), (7579, 37971), (12657, 22737)]