25581015

素因数分解:

$3^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{761}}^1$

素因数の和:861

約数の個数: 40

約数和(自身を含む): 46469808

約数和(自身を除く): 20888793

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 83, 135, 249, 405, 415, 747, 761, 1245, 2241, 2283, 3735, 3805, 6723, 6849, 11205, 11415, 20547, 33615, 34245, 61641, 63163, 102735, 189489, 308205, 315815, 568467, 947445, 1705401, 2842335, 5116203, 8527005, 25581015]

約数ペア:

[(1, 25581015), (3, 8527005), (5, 5116203), (9, 2842335), (15, 1705401), (27, 947445), (45, 568467), (81, 315815), (83, 308205), (135, 189489), (249, 102735), (405, 63163), (415, 61641), (747, 34245), (761, 33615), (1245, 20547), (2241, 11415), (2283, 11205), (3735, 6849), (3805, 6723)]