78915975

素因数分解:

$3^1\times 5^2\times {\mathrm{491}}^1\times {\mathrm{2143}}^1$

素因数の和:2647

約数の個数: 24

約数和(自身を含む): 130801152

約数和(自身を除く): 51885177

約数列:

[1, 3, 5, 15, 25, 75, 491, 1473, 2143, 2455, 6429, 7365, 10715, 12275, 32145, 36825, 53575, 160725, 1052213, 3156639, 5261065, 15783195, 26305325, 78915975]

約数ペア:

[(1, 78915975), (3, 26305325), (5, 15783195), (15, 5261065), (25, 3156639), (75, 1052213), (491, 160725), (1473, 53575), (2143, 36825), (2455, 32145), (6429, 12275), (7365, 10715)]