155587005

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1721}}^1$

素因数の和:1787

約数の個数: 72

約数和(自身を含む): 321552504

約数和(自身を除く): 165965499

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 41, 45, 49, 63, 105, 123, 147, 205, 245, 287, 315, 369, 441, 615, 735, 861, 1435, 1721, 1845, 2009, 2205, 2583, 4305, 5163, 6027, 8605, 10045, 12047, 12915, 15489, 18081, 25815, 30135, 36141, 60235, 70561, 77445, 84329, 90405, 108423, 180705, 211683, 252987, 352805, 421645, 493927, 542115, 635049, 758961, 1058415, 1264935, 1481781, 2469635, 3175245, 3457489, 3794805, 4445343, 7408905, 10372467, 17287445, 22226715, 31117401, 51862335, 155587005]

約数ペア:

[(1, 155587005), (3, 51862335), (5, 31117401), (7, 22226715), (9, 17287445), (15, 10372467), (21, 7408905), (35, 4445343), (41, 3794805), (45, 3457489), (49, 3175245), (63, 2469635), (105, 1481781), (123, 1264935), (147, 1058415), (205, 758961), (245, 635049), (287, 542115), (315, 493927), (369, 421645), (441, 352805), (615, 252987), (735, 211683), (861, 180705), (1435, 108423), (1721, 90405), (1845, 84329), (2009, 77445), (2205, 70561), (2583, 60235), (4305, 36141), (5163, 30135), (6027, 25815), (8605, 18081), (10045, 15489), (12047, 12915)]