221373507

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{607}}^1\times {\mathrm{7151}}^1$

素因数の和:7778

約数の個数: 16

約数和(自身を含む): 313085952

約数和(自身を除く): 91712445

約数列:

[1, 3, 17, 51, 607, 1821, 7151, 10319, 21453, 30957, 121567, 364701, 4340657, 13021971, 73791169, 221373507]

約数ペア:

[(1, 221373507), (3, 73791169), (17, 13021971), (51, 4340657), (607, 364701), (1821, 121567), (7151, 30957), (10319, 21453)]