28174245

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{43}}^1$

素因数の和:111

約数の個数: 72

約数和(自身を含む): 53510688

約数和(自身を除く): 25336443

約数列:

[1, 3, 5, 11, 15, 19, 33, 43, 55, 57, 95, 121, 129, 165, 209, 215, 285, 361, 363, 473, 605, 627, 645, 817, 1045, 1083, 1419, 1805, 1815, 2299, 2365, 2451, 3135, 3971, 4085, 5203, 5415, 6897, 7095, 8987, 11495, 11913, 12255, 15523, 15609, 19855, 26015, 26961, 34485, 43681, 44935, 46569, 59565, 77615, 78045, 98857, 131043, 134805, 170753, 218405, 232845, 296571, 494285, 512259, 655215, 853765, 1482855, 1878283, 2561295, 5634849, 9391415, 28174245]

約数ペア:

[(1, 28174245), (3, 9391415), (5, 5634849), (11, 2561295), (15, 1878283), (19, 1482855), (33, 853765), (43, 655215), (55, 512259), (57, 494285), (95, 296571), (121, 232845), (129, 218405), (165, 170753), (209, 134805), (215, 131043), (285, 98857), (361, 78045), (363, 77615), (473, 59565), (605, 46569), (627, 44935), (645, 43681), (817, 34485), (1045, 26961), (1083, 26015), (1419, 19855), (1805, 15609), (1815, 15523), (2299, 12255), (2365, 11913), (2451, 11495), (3135, 8987), (3971, 7095), (4085, 6897), (5203, 5415)]