81597318

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{1583}}^1$

素因数の和:1681

約数の個数: 48

約数和(自身を含む): 182020608

約数和(自身を除く): 100423290

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 71, 121, 142, 213, 242, 363, 426, 726, 781, 1562, 1583, 2343, 3166, 4686, 4749, 8591, 9498, 17182, 17413, 25773, 34826, 51546, 52239, 104478, 112393, 191543, 224786, 337179, 383086, 574629, 674358, 1149258, 1236323, 2472646, 3708969, 7417938, 13599553, 27199106, 40798659, 81597318]

約数ペア:

[(1, 81597318), (2, 40798659), (3, 27199106), (6, 13599553), (11, 7417938), (22, 3708969), (33, 2472646), (66, 1236323), (71, 1149258), (121, 674358), (142, 574629), (213, 383086), (242, 337179), (363, 224786), (426, 191543), (726, 112393), (781, 104478), (1562, 52239), (1583, 51546), (2343, 34826), (3166, 25773), (4686, 17413), (4749, 17182), (8591, 9498)]