64618239

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{283}}^1$

素因数の和:507

約数の個数: 32

約数和(自身を含む): 100767744

約数和(自身を除く): 36149505

約数列:

[1, 3, 7, 21, 83, 131, 249, 283, 393, 581, 849, 917, 1743, 1981, 2751, 5943, 10873, 23489, 32619, 37073, 70467, 76111, 111219, 164423, 228333, 259511, 493269, 778533, 3077059, 9231177, 21539413, 64618239]

約数ペア:

[(1, 64618239), (3, 21539413), (7, 9231177), (21, 3077059), (83, 778533), (131, 493269), (249, 259511), (283, 228333), (393, 164423), (581, 111219), (849, 76111), (917, 70467), (1743, 37073), (1981, 32619), (2751, 23489), (5943, 10873)]