221285823

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{142673}}^1$

素因数の和:142734

約数の個数: 16

約数和(自身を含む): 328720896

約数和(自身を除く): 107435073

約数列:

[1, 3, 11, 33, 47, 141, 517, 1551, 142673, 428019, 1569403, 4708209, 6705631, 20116893, 73761941, 221285823]

約数ペア:

[(1, 221285823), (3, 73761941), (11, 20116893), (33, 6705631), (47, 4708209), (141, 1569403), (517, 428019), (1551, 142673)]