31780827

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{6317}}^1$

素因数の和:6379

約数の個数: 24

約数和(自身を含む): 50594544

約数和(自身を除く): 18813717

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 387, 559, 1677, 5031, 6317, 18951, 56853, 82121, 246363, 271631, 739089, 814893, 2444679, 3531203, 10593609, 31780827]

約数ペア:

[(1, 31780827), (3, 10593609), (9, 3531203), (13, 2444679), (39, 814893), (43, 739089), (117, 271631), (129, 246363), (387, 82121), (559, 56853), (1677, 18951), (5031, 6317)]