15307215

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{457}}^1$

素因数の和:512

約数の個数: 64

約数和(自身を含む): 31656960

約数和(自身を除く): 16349745

約数列:

[1, 3, 5, 7, 11, 15, 21, 29, 33, 35, 55, 77, 87, 105, 145, 165, 203, 231, 319, 385, 435, 457, 609, 957, 1015, 1155, 1371, 1595, 2233, 2285, 3045, 3199, 4785, 5027, 6699, 6855, 9597, 11165, 13253, 15081, 15995, 25135, 33495, 35189, 39759, 47985, 66265, 75405, 92771, 105567, 145783, 175945, 198795, 278313, 437349, 463855, 527835, 728915, 1020481, 1391565, 2186745, 3061443, 5102405, 15307215]

約数ペア:

[(1, 15307215), (3, 5102405), (5, 3061443), (7, 2186745), (11, 1391565), (15, 1020481), (21, 728915), (29, 527835), (33, 463855), (35, 437349), (55, 278313), (77, 198795), (87, 175945), (105, 145783), (145, 105567), (165, 92771), (203, 75405), (231, 66265), (319, 47985), (385, 39759), (435, 35189), (457, 33495), (609, 25135), (957, 15995), (1015, 15081), (1155, 13253), (1371, 11165), (1595, 9597), (2233, 6855), (2285, 6699), (3045, 5027), (3199, 4785)]