31166499

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{347}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 53319168

約数和(自身を除く): 22152669

約数列:

[1, 3, 7, 13, 21, 39, 47, 49, 91, 141, 147, 273, 329, 347, 611, 637, 987, 1041, 1833, 1911, 2303, 2429, 4277, 4511, 6909, 7287, 12831, 13533, 16309, 17003, 29939, 31577, 48927, 51009, 89817, 94731, 114163, 212017, 221039, 342489, 636051, 663117, 799141, 1484119, 2397423, 4452357, 10388833, 31166499]

約数ペア:

[(1, 31166499), (3, 10388833), (7, 4452357), (13, 2397423), (21, 1484119), (39, 799141), (47, 663117), (49, 636051), (91, 342489), (141, 221039), (147, 212017), (273, 114163), (329, 94731), (347, 89817), (611, 51009), (637, 48927), (987, 31577), (1041, 29939), (1833, 17003), (1911, 16309), (2303, 13533), (2429, 12831), (4277, 7287), (4511, 6909)]