211677774903

素因数分解:

$3^4\times 7^1\times {\mathrm{373329409}}^1$

素因数の和:373329428

約数の個数: 20

約数和(自身を含む): 361382868880

約数和(自身を除く): 149705093977

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 373329409, 1119988227, 2613305863, 3359964681, 7839917589, 10079894043, 23519752767, 30239682129, 70559258301, 211677774903]

約数ペア:

[(1, 211677774903), (3, 70559258301), (7, 30239682129), (9, 23519752767), (21, 10079894043), (27, 7839917589), (63, 3359964681), (81, 2613305863), (189, 1119988227), (567, 373329409)]