15556477419

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{971}}^1\times {\mathrm{2137}}^1$

素因数の和:3145

約数の個数: 72

約数和(自身を含む): 27718177968

約数和(自身を除く): 12161700549

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 119, 147, 153, 357, 441, 833, 971, 1071, 2137, 2499, 2913, 6411, 6797, 7497, 8739, 14959, 16507, 19233, 20391, 36329, 44877, 47579, 49521, 61173, 104713, 108987, 115549, 134631, 142737, 148563, 254303, 314139, 326961, 346647, 428211, 762909, 808843, 942417, 1039941, 1780121, 2075027, 2288727, 2426529, 5340363, 6225081, 7279587, 14525189, 16021089, 18675243, 35275459, 43575567, 101676323, 105826377, 130726701, 246928213, 305028969, 317479131, 740784639, 915086907, 1728497491, 2222353917, 5185492473, 15556477419]

約数ペア:

[(1, 15556477419), (3, 5185492473), (7, 2222353917), (9, 1728497491), (17, 915086907), (21, 740784639), (49, 317479131), (51, 305028969), (63, 246928213), (119, 130726701), (147, 105826377), (153, 101676323), (357, 43575567), (441, 35275459), (833, 18675243), (971, 16021089), (1071, 14525189), (2137, 7279587), (2499, 6225081), (2913, 5340363), (6411, 2426529), (6797, 2288727), (7497, 2075027), (8739, 1780121), (14959, 1039941), (16507, 942417), (19233, 808843), (20391, 762909), (36329, 428211), (44877, 346647), (47579, 326961), (49521, 314139), (61173, 254303), (104713, 148563), (108987, 142737), (115549, 134631)]