31723137

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{251}}^1$

素因数の和:442

約数の個数: 32

約数和(自身を含む): 49029120

約数和(自身を除く): 17305983

約数列:

[1, 3, 9, 27, 31, 93, 151, 251, 279, 453, 753, 837, 1359, 2259, 4077, 4681, 6777, 7781, 14043, 23343, 37901, 42129, 70029, 113703, 126387, 210087, 341109, 1023327, 1174931, 3524793, 10574379, 31723137]

約数ペア:

[(1, 31723137), (3, 10574379), (9, 3524793), (27, 1174931), (31, 1023327), (93, 341109), (151, 210087), (251, 126387), (279, 113703), (453, 70029), (753, 42129), (837, 37901), (1359, 23343), (2259, 14043), (4077, 7781), (4681, 6777)]