31674279

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{739}}^1$

素因数の和:919

約数の個数: 32

約数和(自身を含む): 52380160

約数和(自身を除く): 20705881

約数列:

[1, 3, 7, 13, 21, 39, 91, 157, 273, 471, 739, 1099, 2041, 2217, 3297, 5173, 6123, 9607, 14287, 15519, 28821, 42861, 67249, 116023, 201747, 348069, 812161, 1508299, 2436483, 4524897, 10558093, 31674279]

約数ペア:

[(1, 31674279), (3, 10558093), (7, 4524897), (13, 2436483), (21, 1508299), (39, 812161), (91, 348069), (157, 201747), (273, 116023), (471, 67249), (739, 42861), (1099, 28821), (2041, 15519), (2217, 14287), (3297, 9607), (5173, 6123)]