2015217855

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{22291}}^1$

素因数の和:22357

約数の個数: 72

約数和(自身を含む): 4162629744

約数和(自身を除く): 2147411889

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, 1845, 2009, 2205, 2583, 4305, 6027, 10045, 12915, 18081, 22291, 30135, 66873, 90405, 111455, 156037, 200619, 334365, 468111, 780185, 913931, 1003095, 1092259, 1404333, 2340555, 2741793, 3276777, 4569655, 5461295, 6397517, 7021665, 8225379, 9830331, 13708965, 16383885, 19192551, 31987585, 41126895, 44782619, 49151655, 57577653, 95962755, 134347857, 223913095, 287888265, 403043571, 671739285, 2015217855]

約数ペア:

[(1, 2015217855), (3, 671739285), (5, 403043571), (7, 287888265), (9, 223913095), (15, 134347857), (21, 95962755), (35, 57577653), (41, 49151655), (45, 44782619), (49, 41126895), (63, 31987585), (105, 19192551), (123, 16383885), (147, 13708965), (205, 9830331), (245, 8225379), (287, 7021665), (315, 6397517), (369, 5461295), (441, 4569655), (615, 3276777), (735, 2741793), (861, 2340555), (1435, 1404333), (1845, 1092259), (2009, 1003095), (2205, 913931), (2583, 780185), (4305, 468111), (6027, 334365), (10045, 200619), (12915, 156037), (18081, 111455), (22291, 90405), (30135, 66873)]