81492015

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{1783}}^1$

素因数の和:2079

約数の個数: 32

約数和(自身を含む): 142834176

約数和(自身を除く): 61342161

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 277, 831, 1385, 1783, 3047, 4155, 5349, 8915, 9141, 15235, 19613, 26745, 45705, 58839, 98065, 294195, 493891, 1481673, 2469455, 5432801, 7408365, 16298403, 27164005, 81492015]

約数ペア:

[(1, 81492015), (3, 27164005), (5, 16298403), (11, 7408365), (15, 5432801), (33, 2469455), (55, 1481673), (165, 493891), (277, 294195), (831, 98065), (1385, 58839), (1783, 45705), (3047, 26745), (4155, 19613), (5349, 15235), (8915, 9141)]