1282051281

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{227}}^1\times {\mathrm{2053}}^1$

素因数の和:2421

約数の個数: 32

約数和(自身を含む): 1978149888

約数和(自身を除く): 696098607

約数列:

[1, 3, 7, 21, 131, 227, 393, 681, 917, 1589, 2053, 2751, 4767, 6159, 14371, 29737, 43113, 89211, 208159, 268943, 466031, 624477, 806829, 1398093, 1882601, 3262217, 5647803, 9786651, 61050061, 183150183, 427350427, 1282051281]

約数ペア:

[(1, 1282051281), (3, 427350427), (7, 183150183), (21, 61050061), (131, 9786651), (227, 5647803), (393, 3262217), (681, 1882601), (917, 1398093), (1589, 806829), (2053, 624477), (2751, 466031), (4767, 268943), (6159, 208159), (14371, 89211), (29737, 43113)]