71270283

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{443}}^1$

素因数の和:663

約数の個数: 32

約数和(自身を含む): 111845376

約数和(自身を除く): 40575093

約数列:

[1, 3, 7, 21, 47, 141, 163, 329, 443, 489, 987, 1141, 1329, 3101, 3423, 7661, 9303, 20821, 22983, 53627, 62463, 72209, 145747, 160881, 216627, 437241, 505463, 1516389, 3393823, 10181469, 23756761, 71270283]

約数ペア:

[(1, 71270283), (3, 23756761), (7, 10181469), (21, 3393823), (47, 1516389), (141, 505463), (163, 437241), (329, 216627), (443, 160881), (489, 145747), (987, 72209), (1141, 62463), (1329, 53627), (3101, 22983), (3423, 20821), (7661, 9303)]