28453425

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1$

素因数の和:423

約数の個数: 96

約数和(自身を含む): 63329280

約数和(自身を除く): 34875855

約数列:

[1, 3, 5, 7, 11, 13, 15, 21, 25, 33, 35, 39, 55, 65, 75, 77, 91, 105, 143, 165, 175, 195, 231, 273, 275, 325, 379, 385, 429, 455, 525, 715, 825, 975, 1001, 1137, 1155, 1365, 1895, 1925, 2145, 2275, 2653, 3003, 3575, 4169, 4927, 5005, 5685, 5775, 6825, 7959, 9475, 10725, 12507, 13265, 14781, 15015, 20845, 24635, 25025, 28425, 29183, 34489, 39795, 54197, 62535, 66325, 73905, 75075, 87549, 103467, 104225, 123175, 145915, 162591, 172445, 198975, 270985, 312675, 369525, 379379, 437745, 517335, 729575, 812955, 862225, 1138137, 1354925, 1896895, 2188725, 2586675, 4064775, 5690685, 9484475, 28453425]

約数ペア:

[(1, 28453425), (3, 9484475), (5, 5690685), (7, 4064775), (11, 2586675), (13, 2188725), (15, 1896895), (21, 1354925), (25, 1138137), (33, 862225), (35, 812955), (39, 729575), (55, 517335), (65, 437745), (75, 379379), (77, 369525), (91, 312675), (105, 270985), (143, 198975), (165, 172445), (175, 162591), (195, 145915), (231, 123175), (273, 104225), (275, 103467), (325, 87549), (379, 75075), (385, 73905), (429, 66325), (455, 62535), (525, 54197), (715, 39795), (825, 34489), (975, 29183), (1001, 28425), (1137, 25025), (1155, 24635), (1365, 20845), (1895, 15015), (1925, 14781), (2145, 13265), (2275, 12507), (2653, 10725), (3003, 9475), (3575, 7959), (4169, 6825), (4927, 5775), (5005, 5685)]