7139745

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{61}}^1$

素因数の和:112

約数の個数: 60

約数和(自身を含む): 13818684

約数和(自身を除く): 6678939

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 61, 81, 85, 135, 153, 183, 255, 289, 305, 405, 459, 549, 765, 867, 915, 1037, 1377, 1445, 1647, 2295, 2601, 2745, 3111, 4335, 4941, 5185, 6885, 7803, 8235, 9333, 13005, 15555, 17629, 23409, 24705, 27999, 39015, 46665, 52887, 83997, 88145, 117045, 139995, 158661, 264435, 419985, 475983, 793305, 1427949, 2379915, 7139745]

約数ペア:

[(1, 7139745), (3, 2379915), (5, 1427949), (9, 793305), (15, 475983), (17, 419985), (27, 264435), (45, 158661), (51, 139995), (61, 117045), (81, 88145), (85, 83997), (135, 52887), (153, 46665), (183, 39015), (255, 27999), (289, 24705), (305, 23409), (405, 17629), (459, 15555), (549, 13005), (765, 9333), (867, 8235), (915, 7803), (1037, 6885), (1377, 5185), (1445, 4941), (1647, 4335), (2295, 3111), (2601, 2745)]