71431389

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:347

約数の個数: 40

約数和(自身を含む): 110807928

約数和(自身を除く): 39376539

約数列:

[1, 3, 9, 27, 41, 81, 123, 137, 157, 369, 411, 471, 1107, 1233, 1413, 3321, 3699, 4239, 5617, 6437, 11097, 12717, 16851, 19311, 21509, 50553, 57933, 64527, 151659, 173799, 193581, 454977, 521397, 580743, 881869, 1742229, 2645607, 7936821, 23810463, 71431389]

約数ペア:

[(1, 71431389), (3, 23810463), (9, 7936821), (27, 2645607), (41, 1742229), (81, 881869), (123, 580743), (137, 521397), (157, 454977), (369, 193581), (411, 173799), (471, 151659), (1107, 64527), (1233, 57933), (1413, 50553), (3321, 21509), (3699, 19311), (4239, 16851), (5617, 12717), (6437, 11097)]