31406778

素因数分解:

$2^1\times 3^6\times {\mathrm{13}}^1\times {\mathrm{1657}}^1$

素因数の和:1690

約数の個数: 56

約数和(自身を含む): 76112148

約数和(自身を除く): 44705370

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 243, 351, 486, 702, 729, 1053, 1458, 1657, 2106, 3159, 3314, 4971, 6318, 9477, 9942, 14913, 18954, 21541, 29826, 43082, 44739, 64623, 89478, 129246, 134217, 193869, 268434, 387738, 402651, 581607, 805302, 1163214, 1207953, 1744821, 2415906, 3489642, 5234463, 10468926, 15703389, 31406778]

約数ペア:

[(1, 31406778), (2, 15703389), (3, 10468926), (6, 5234463), (9, 3489642), (13, 2415906), (18, 1744821), (26, 1207953), (27, 1163214), (39, 805302), (54, 581607), (78, 402651), (81, 387738), (117, 268434), (162, 193869), (234, 134217), (243, 129246), (351, 89478), (486, 64623), (702, 44739), (729, 43082), (1053, 29826), (1458, 21541), (1657, 18954), (2106, 14913), (3159, 9942), (3314, 9477), (4971, 6318)]