198148671

素因数分解:

$3^2\times 7^1\times {\mathrm{263}}^1\times {\mathrm{11959}}^1$

素因数の和:12235

約数の個数: 24

約数和(自身を含む): 328373760

約数和(自身を除く): 130225089

約数列:

[1, 3, 7, 9, 21, 63, 263, 789, 1841, 2367, 5523, 11959, 16569, 35877, 83713, 107631, 251139, 753417, 3145217, 9435651, 22016519, 28306953, 66049557, 198148671]

約数ペア:

[(1, 198148671), (3, 66049557), (7, 28306953), (9, 22016519), (21, 9435651), (63, 3145217), (263, 753417), (789, 251139), (1841, 107631), (2367, 83713), (5523, 35877), (11959, 16569)]