258156639

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1151}}^1$

素因数の和:1250

約数の個数: 48

約数和(自身を含む): 422682624

約数和(自身を除く): 164525985

約数列:

[1, 3, 9, 13, 27, 39, 71, 81, 117, 213, 243, 351, 639, 923, 1053, 1151, 1917, 2769, 3159, 3453, 5751, 8307, 10359, 14963, 17253, 24921, 31077, 44889, 74763, 81721, 93231, 134667, 224289, 245163, 279693, 404001, 735489, 1062373, 1212003, 2206467, 3187119, 3636009, 6619401, 9561357, 19858203, 28684071, 86052213, 258156639]

約数ペア:

[(1, 258156639), (3, 86052213), (9, 28684071), (13, 19858203), (27, 9561357), (39, 6619401), (71, 3636009), (81, 3187119), (117, 2206467), (213, 1212003), (243, 1062373), (351, 735489), (639, 404001), (923, 279693), (1053, 245163), (1151, 224289), (1917, 134667), (2769, 93231), (3159, 81721), (3453, 74763), (5751, 44889), (8307, 31077), (10359, 24921), (14963, 17253)]