1727831979

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{318377}}^1$

素因数の和:318456

約数の個数: 20

約数和(自身を含む): 2619614184

約数和(自身を除く): 891782205

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 5427, 318377, 955131, 2865393, 8596179, 21331259, 25788537, 63993777, 191981331, 575943993, 1727831979]

約数ペア:

[(1, 1727831979), (3, 575943993), (9, 191981331), (27, 63993777), (67, 25788537), (81, 21331259), (201, 8596179), (603, 2865393), (1809, 955131), (5427, 318377)]