211320591

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{27809}}^1$

素因数の和:27978

約数の個数: 16

約数和(自身を含む): 300348000

約数和(自身を除く): 89027409

約数列:

[1, 3, 17, 51, 149, 447, 2533, 7599, 27809, 83427, 472753, 1418259, 4143541, 12430623, 70440197, 211320591]

約数ペア:

[(1, 211320591), (3, 70440197), (17, 12430623), (51, 4143541), (149, 1418259), (447, 472753), (2533, 83427), (7599, 27809)]