18263421

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{61493}}^1$

素因数の和:61513

約数の個数: 16

約数和(自身を含む): 29517120

約数和(自身を除く): 11253699

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 61493, 184479, 553437, 676423, 1660311, 2029269, 6087807, 18263421]

約数ペア:

[(1, 18263421), (3, 6087807), (9, 2029269), (11, 1660311), (27, 676423), (33, 553437), (99, 184479), (297, 61493)]