31209927

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1$

素因数の和:467

約数の個数: 32

約数和(自身を含む): 49201152

約数和(自身を除く): 17991225

約数列:

[1, 3, 7, 21, 47, 103, 141, 307, 309, 329, 721, 921, 987, 2149, 2163, 4841, 6447, 14429, 14523, 31621, 33887, 43287, 94863, 101003, 101661, 221347, 303009, 664041, 1486187, 4458561, 10403309, 31209927]

約数ペア:

[(1, 31209927), (3, 10403309), (7, 4458561), (21, 1486187), (47, 664041), (103, 303009), (141, 221347), (307, 101661), (309, 101003), (329, 94863), (721, 43287), (921, 33887), (987, 31621), (2149, 14523), (2163, 14429), (4841, 6447)]