206638377

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{2039}}^1$

素因数の和:2173

約数の個数: 32

約数和(自身を含む): 312560640

約数和(自身を除く): 105922263

約数列:

[1, 3, 11, 33, 37, 83, 111, 249, 407, 913, 1221, 2039, 2739, 3071, 6117, 9213, 22429, 33781, 67287, 75443, 101343, 169237, 226329, 507711, 829873, 1861607, 2489619, 5584821, 6261769, 18785307, 68879459, 206638377]

約数ペア:

[(1, 206638377), (3, 68879459), (11, 18785307), (33, 6261769), (37, 5584821), (83, 2489619), (111, 1861607), (249, 829873), (407, 507711), (913, 226329), (1221, 169237), (2039, 101343), (2739, 75443), (3071, 67287), (6117, 33781), (9213, 22429)]