11875005

素因数分解:

$3^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{269}}^1$

素因数の和:395

約数の個数: 40

約数和(自身を含む): 21562200

約数和(自身を除く): 9687195

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 109, 135, 269, 327, 405, 545, 807, 981, 1345, 1635, 2421, 2943, 4035, 4905, 7263, 8829, 12105, 14715, 21789, 29321, 36315, 44145, 87963, 108945, 146605, 263889, 439815, 791667, 1319445, 2375001, 3958335, 11875005]

約数ペア:

[(1, 11875005), (3, 3958335), (5, 2375001), (9, 1319445), (15, 791667), (27, 439815), (45, 263889), (81, 146605), (109, 108945), (135, 87963), (269, 44145), (327, 36315), (405, 29321), (545, 21789), (807, 14715), (981, 12105), (1345, 8829), (1635, 7263), (2421, 4905), (2943, 4035)]