2777775

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:81

約数の個数: 96

約数和(自身を含む): 6332928

約数和(自身を除く): 3555153

約数列:

[1, 3, 5, 7, 11, 13, 15, 21, 25, 33, 35, 37, 39, 55, 65, 75, 77, 91, 105, 111, 143, 165, 175, 185, 195, 231, 259, 273, 275, 325, 385, 407, 429, 455, 481, 525, 555, 715, 777, 825, 925, 975, 1001, 1155, 1221, 1295, 1365, 1443, 1925, 2035, 2145, 2275, 2405, 2775, 2849, 3003, 3367, 3575, 3885, 5005, 5291, 5775, 6105, 6475, 6825, 7215, 8547, 10101, 10175, 10725, 12025, 14245, 15015, 15873, 16835, 19425, 25025, 26455, 30525, 36075, 37037, 42735, 50505, 71225, 75075, 79365, 84175, 111111, 132275, 185185, 213675, 252525, 396825, 555555, 925925, 2777775]

約数ペア:

[(1, 2777775), (3, 925925), (5, 555555), (7, 396825), (11, 252525), (13, 213675), (15, 185185), (21, 132275), (25, 111111), (33, 84175), (35, 79365), (37, 75075), (39, 71225), (55, 50505), (65, 42735), (75, 37037), (77, 36075), (91, 30525), (105, 26455), (111, 25025), (143, 19425), (165, 16835), (175, 15873), (185, 15015), (195, 14245), (231, 12025), (259, 10725), (273, 10175), (275, 10101), (325, 8547), (385, 7215), (407, 6825), (429, 6475), (455, 6105), (481, 5775), (525, 5291), (555, 5005), (715, 3885), (777, 3575), (825, 3367), (925, 3003), (975, 2849), (1001, 2775), (1155, 2405), (1221, 2275), (1295, 2145), (1365, 2035), (1443, 1925)]