15960777

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:317

約数の個数: 32

約数和(自身を含む): 25239552

約数和(自身を除く): 9278775

約数列:

[1, 3, 7, 21, 47, 103, 141, 157, 309, 329, 471, 721, 987, 1099, 2163, 3297, 4841, 7379, 14523, 16171, 22137, 33887, 48513, 51653, 101661, 113197, 154959, 339591, 760037, 2280111, 5320259, 15960777]

約数ペア:

[(1, 15960777), (3, 5320259), (7, 2280111), (21, 760037), (47, 339591), (103, 154959), (141, 113197), (157, 101661), (309, 51653), (329, 48513), (471, 33887), (721, 22137), (987, 16171), (1099, 14523), (2163, 7379), (3297, 4841)]