81945021

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{19469}}^1$

素因数の和:19556

約数の個数: 16

約数和(自身を含む): 115885440

約数和(自身を除く): 33940419

約数列:

[1, 3, 23, 61, 69, 183, 1403, 4209, 19469, 58407, 447787, 1187609, 1343361, 3562827, 27315007, 81945021]

約数ペア:

[(1, 81945021), (3, 27315007), (23, 3562827), (61, 1343361), (69, 1187609), (183, 447787), (1403, 58407), (4209, 19469)]