39940719

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6361}}^1$

素因数の和:6407

約数の個数: 32

約数和(自身を含む): 68404224

約数和(自身を除く): 28463505

約数列:

[1, 3, 7, 13, 21, 23, 39, 69, 91, 161, 273, 299, 483, 897, 2093, 6279, 6361, 19083, 44527, 82693, 133581, 146303, 248079, 438909, 578851, 1024121, 1736553, 1901939, 3072363, 5705817, 13313573, 39940719]

約数ペア:

[(1, 39940719), (3, 13313573), (7, 5705817), (13, 3072363), (21, 1901939), (23, 1736553), (39, 1024121), (69, 578851), (91, 438909), (161, 248079), (273, 146303), (299, 133581), (483, 82693), (897, 44527), (2093, 19083), (6279, 6361)]