25605915

素因数分解:

$3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:379

約数の個数: 32

約数和(自身を含む): 42045696

約数和(自身を除く): 16439781

約数列:

[1, 3, 5, 15, 83, 131, 157, 249, 393, 415, 471, 655, 785, 1245, 1965, 2355, 10873, 13031, 20567, 32619, 39093, 54365, 61701, 65155, 102835, 163095, 195465, 308505, 1707061, 5121183, 8535305, 25605915]

約数ペア:

[(1, 25605915), (3, 8535305), (5, 5121183), (15, 1707061), (83, 308505), (131, 195465), (157, 163095), (249, 102835), (393, 65155), (415, 61701), (471, 54365), (655, 39093), (785, 32619), (1245, 20567), (1965, 13031), (2355, 10873)]