81915009

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{40693}}^1$

素因数の和:40768

約数の個数: 16

約数和(自身を含む): 121105344

約数和(自身を除く): 39190335

約数列:

[1, 3, 11, 33, 61, 183, 671, 2013, 40693, 122079, 447623, 1342869, 2482273, 7446819, 27305003, 81915009]

約数ペア:

[(1, 81915009), (3, 27305003), (11, 7446819), (33, 2482273), (61, 1342869), (183, 447623), (671, 122079), (2013, 40693)]