15903415

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{233}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 22441536

約数和(自身を除く): 6538121

約数列:

[1, 5, 11, 17, 55, 73, 85, 187, 233, 365, 803, 935, 1165, 1241, 2563, 3961, 4015, 6205, 12815, 13651, 17009, 19805, 43571, 68255, 85045, 187099, 217855, 289153, 935495, 1445765, 3180683, 15903415]

約数ペア:

[(1, 15903415), (5, 3180683), (11, 1445765), (17, 935495), (55, 289153), (73, 217855), (85, 187099), (187, 85045), (233, 68255), (365, 43571), (803, 19805), (935, 17009), (1165, 13651), (1241, 12815), (2563, 6205), (3961, 4015)]