81222777

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{158329}}^1$

素因数の和:158357

約数の個数: 16

約数和(自身を含む): 126664000

約数和(自身を除く): 45441223

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 158329, 474987, 1424961, 3008251, 4274883, 9024753, 27074259, 81222777]

約数ペア:

[(1, 81222777), (3, 27074259), (9, 9024753), (19, 4274883), (27, 3008251), (57, 1424961), (171, 474987), (513, 158329)]