71645847

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{3917}}^1$

素因数の和:4007

約数の個数: 32

約数和(自身を含む): 119357952

約数和(自身を除く): 47712105

約数列:

[1, 3, 7, 13, 21, 39, 67, 91, 201, 273, 469, 871, 1407, 2613, 3917, 6097, 11751, 18291, 27419, 50921, 82257, 152763, 262439, 356447, 787317, 1069341, 1837073, 3411707, 5511219, 10235121, 23881949, 71645847]

約数ペア:

[(1, 71645847), (3, 23881949), (7, 10235121), (13, 5511219), (21, 3411707), (39, 1837073), (67, 1069341), (91, 787317), (201, 356447), (273, 262439), (469, 152763), (871, 82257), (1407, 50921), (2613, 27419), (3917, 18291), (6097, 11751)]