156617631

素因数分解:

$3^9\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:209

約数の個数: 40

約数和(自身を含む): 240325360

約数和(自身を除く): 83707729

約数列:

[1, 3, 9, 27, 73, 81, 109, 219, 243, 327, 657, 729, 981, 1971, 2187, 2943, 5913, 6561, 7957, 8829, 17739, 19683, 23871, 26487, 53217, 71613, 79461, 159651, 214839, 238383, 478953, 644517, 715149, 1436859, 1933551, 2145447, 5800653, 17401959, 52205877, 156617631]

約数ペア:

[(1, 156617631), (3, 52205877), (9, 17401959), (27, 5800653), (73, 2145447), (81, 1933551), (109, 1436859), (219, 715149), (243, 644517), (327, 478953), (657, 238383), (729, 214839), (981, 159651), (1971, 79461), (2187, 71613), (2943, 53217), (5913, 26487), (6561, 23871), (7957, 19683), (8829, 17739)]