281034705

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{673}}^1$

素因数の和:826

約数の個数: 64

約数和(自身を含む): 532643328

約数和(自身を除く): 251608623

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 97, 105, 123, 205, 287, 291, 485, 615, 673, 679, 861, 1435, 1455, 2019, 2037, 3365, 3395, 3977, 4305, 4711, 10095, 10185, 11931, 14133, 19885, 23555, 27593, 27839, 59655, 65281, 70665, 82779, 83517, 137965, 139195, 193151, 195843, 326405, 413895, 417585, 456967, 579453, 965755, 979215, 1370901, 2284835, 2676521, 2897265, 6854505, 8029563, 13382605, 18735647, 40147815, 56206941, 93678235, 281034705]

約数ペア:

[(1, 281034705), (3, 93678235), (5, 56206941), (7, 40147815), (15, 18735647), (21, 13382605), (35, 8029563), (41, 6854505), (97, 2897265), (105, 2676521), (123, 2284835), (205, 1370901), (287, 979215), (291, 965755), (485, 579453), (615, 456967), (673, 417585), (679, 413895), (861, 326405), (1435, 195843), (1455, 193151), (2019, 139195), (2037, 137965), (3365, 83517), (3395, 82779), (3977, 70665), (4305, 65281), (4711, 59655), (10095, 27839), (10185, 27593), (11931, 23555), (14133, 19885)]