12961689

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:269

約数の個数: 32

約数和(自身を含む): 19611648

約数和(自身を除く): 6649959

約数列:

[1, 3, 13, 31, 39, 71, 93, 151, 213, 403, 453, 923, 1209, 1963, 2201, 2769, 4681, 5889, 6603, 10721, 14043, 28613, 32163, 60853, 85839, 139373, 182559, 332351, 418119, 997053, 4320563, 12961689]

約数ペア:

[(1, 12961689), (3, 4320563), (13, 997053), (31, 418119), (39, 332351), (71, 182559), (93, 139373), (151, 85839), (213, 60853), (403, 32163), (453, 28613), (923, 14043), (1209, 10721), (1963, 6603), (2201, 5889), (2769, 4681)]