81221811

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{46439}}^1$

素因数の和:46506

約数の個数: 16

約数和(自身を含む): 120372480

約数和(自身を除く): 39150669

約数列:

[1, 3, 11, 33, 53, 159, 583, 1749, 46439, 139317, 510829, 1532487, 2461267, 7383801, 27073937, 81221811]

約数ペア:

[(1, 81221811), (3, 27073937), (11, 7383801), (33, 2461267), (53, 1532487), (159, 510829), (583, 139317), (1749, 46439)]