64143681

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2663}}^1$

素因数の和:2741

約数の個数: 32

約数和(自身を含む): 103661568

約数和(自身を除く): 39517887

約数列:

[1, 3, 7, 21, 31, 37, 93, 111, 217, 259, 651, 777, 1147, 2663, 3441, 7989, 8029, 18641, 24087, 55923, 82553, 98531, 247659, 295593, 577871, 689717, 1733613, 2069151, 3054461, 9163383, 21381227, 64143681]

約数ペア:

[(1, 64143681), (3, 21381227), (7, 9163383), (21, 3054461), (31, 2069151), (37, 1733613), (93, 689717), (111, 577871), (217, 295593), (259, 247659), (651, 98531), (777, 82553), (1147, 55923), (2663, 24087), (3441, 18641), (7989, 8029)]