81661638

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{591751}}^1$

素因数の和:591779

約数の個数: 16

約数和(自身を含む): 170424576

約数和(自身を除く): 88762938

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 591751, 1183502, 1775253, 3550506, 13610273, 27220546, 40830819, 81661638]

約数ペア:

[(1, 81661638), (2, 40830819), (3, 27220546), (6, 13610273), (23, 3550506), (46, 1775253), (69, 1183502), (138, 591751)]