18160317

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{151}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 31868928

約数和(自身を除く): 13708611

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 83, 151, 161, 207, 249, 453, 483, 581, 747, 1057, 1359, 1449, 1743, 1909, 3171, 3473, 5229, 5727, 9513, 10419, 12533, 13363, 17181, 24311, 31257, 37599, 40089, 72933, 87731, 112797, 120267, 218799, 263193, 288259, 789579, 864777, 2017813, 2594331, 6053439, 18160317]

約数ペア:

[(1, 18160317), (3, 6053439), (7, 2594331), (9, 2017813), (21, 864777), (23, 789579), (63, 288259), (69, 263193), (83, 218799), (151, 120267), (161, 112797), (207, 87731), (249, 72933), (453, 40089), (483, 37599), (581, 31257), (747, 24311), (1057, 17181), (1359, 13363), (1449, 12533), (1743, 10419), (1909, 9513), (3171, 5727), (3473, 5229)]