71748639

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{2131}}^1$

素因数の和:2212

約数の個数: 32

約数和(自身を含む): 112569600

約数和(自身を除く): 40820961

約数列:

[1, 3, 9, 27, 29, 43, 87, 129, 261, 387, 783, 1161, 1247, 2131, 3741, 6393, 11223, 19179, 33669, 57537, 61799, 91633, 185397, 274899, 556191, 824697, 1668573, 2474091, 2657357, 7972071, 23916213, 71748639]

約数ペア:

[(1, 71748639), (3, 23916213), (9, 7972071), (27, 2657357), (29, 2474091), (43, 1668573), (87, 824697), (129, 556191), (261, 274899), (387, 185397), (783, 91633), (1161, 61799), (1247, 57537), (2131, 33669), (3741, 19179), (6393, 11223)]