64038681

素因数分解:

$3^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2131}}^1$

素因数の和:2203

約数の個数: 40

約数和(自身を含む): 111443904

約数和(自身を除く): 47405223

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 81, 159, 189, 371, 477, 567, 1113, 1431, 2131, 3339, 4293, 6393, 10017, 14917, 19179, 30051, 44751, 57537, 112943, 134253, 172611, 338829, 402759, 790601, 1016487, 1208277, 2371803, 3049461, 7115409, 9148383, 21346227, 64038681]

約数ペア:

[(1, 64038681), (3, 21346227), (7, 9148383), (9, 7115409), (21, 3049461), (27, 2371803), (53, 1208277), (63, 1016487), (81, 790601), (159, 402759), (189, 338829), (371, 172611), (477, 134253), (567, 112943), (1113, 57537), (1431, 44751), (2131, 30051), (3339, 19179), (4293, 14917), (6393, 10017)]