1191915

素因数分解:

$3^7\times 5^1\times {\mathrm{109}}^1$

素因数の和:135

約数の個数: 32

約数和(自身を含む): 2164800

約数和(自身を除く): 972885

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 109, 135, 243, 327, 405, 545, 729, 981, 1215, 1635, 2187, 2943, 3645, 4905, 8829, 10935, 14715, 26487, 44145, 79461, 132435, 238383, 397305, 1191915]

約数ペア:

[(1, 1191915), (3, 397305), (5, 238383), (9, 132435), (15, 79461), (27, 44145), (45, 26487), (81, 14715), (109, 10935), (135, 8829), (243, 4905), (327, 3645), (405, 2943), (545, 2187), (729, 1635), (981, 1215)]