31413249

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{103}}^2$

素因数の和:266

約数の個数: 36

約数和(自身を含む): 53479296

約数和(自身を除く): 22066047

約数列:

[1, 3, 7, 9, 21, 47, 63, 103, 141, 309, 329, 423, 721, 927, 987, 2163, 2961, 4841, 6489, 10609, 14523, 31827, 33887, 43569, 74263, 95481, 101661, 222789, 304983, 498623, 668367, 1495869, 3490361, 4487607, 10471083, 31413249]

約数ペア:

[(1, 31413249), (3, 10471083), (7, 4487607), (9, 3490361), (21, 1495869), (47, 668367), (63, 498623), (103, 304983), (141, 222789), (309, 101661), (329, 95481), (423, 74263), (721, 43569), (927, 33887), (987, 31827), (2163, 14523), (2961, 10609), (4841, 6489)]