221406991

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{6173}}^1$

素因数の和:6306

約数の個数: 16

約数和(自身を含む): 248935680

約数和(自身を除く): 27528689

約数列:

[1, 13, 31, 89, 403, 1157, 2759, 6173, 35867, 80249, 191363, 549397, 2487719, 7142161, 17031307, 221406991]

約数ペア:

[(1, 221406991), (13, 17031307), (31, 7142161), (89, 2487719), (403, 549397), (1157, 191363), (2759, 80249), (6173, 35867)]