28906185

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{863}}^1$

素因数の和:918

約数の個数: 64

約数和(自身を含む): 59719680

約数和(自身を除く): 30813495

約数列:

[1, 3, 5, 7, 11, 15, 21, 29, 33, 35, 55, 77, 87, 105, 145, 165, 203, 231, 319, 385, 435, 609, 863, 957, 1015, 1155, 1595, 2233, 2589, 3045, 4315, 4785, 6041, 6699, 9493, 11165, 12945, 18123, 25027, 28479, 30205, 33495, 47465, 66451, 75081, 90615, 125135, 142395, 175189, 199353, 275297, 332255, 375405, 525567, 825891, 875945, 996765, 1376485, 1927079, 2627835, 4129455, 5781237, 9635395, 28906185]

約数ペア:

[(1, 28906185), (3, 9635395), (5, 5781237), (7, 4129455), (11, 2627835), (15, 1927079), (21, 1376485), (29, 996765), (33, 875945), (35, 825891), (55, 525567), (77, 375405), (87, 332255), (105, 275297), (145, 199353), (165, 175189), (203, 142395), (231, 125135), (319, 90615), (385, 75081), (435, 66451), (609, 47465), (863, 33495), (957, 30205), (1015, 28479), (1155, 25027), (1595, 18123), (2233, 12945), (2589, 11165), (3045, 9493), (4315, 6699), (4785, 6041)]