81957027

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:459

約数の個数: 32

約数和(自身を含む): 118153728

約数和(自身を除く): 36196701

約数列:

[1, 3, 23, 53, 69, 73, 159, 219, 307, 921, 1219, 1679, 3657, 3869, 5037, 7061, 11607, 16271, 21183, 22411, 48813, 67233, 88987, 266961, 374233, 515453, 1122699, 1187783, 1546359, 3563349, 27319009, 81957027]

約数ペア:

[(1, 81957027), (3, 27319009), (23, 3563349), (53, 1546359), (69, 1187783), (73, 1122699), (159, 515453), (219, 374233), (307, 266961), (921, 88987), (1219, 67233), (1679, 48813), (3657, 22411), (3869, 21183), (5037, 16271), (7061, 11607)]