291211778529

素因数分解:

$3^3\times 7^2\times {\mathrm{220114723}}^1$

素因数の和:220114746

約数の個数: 24

約数和(自身を含む): 501861570720

約数和(自身を除く): 210649792191

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 220114723, 660344169, 1540803061, 1981032507, 4622409183, 5943097521, 10785621427, 13867227549, 32356864281, 41601682647, 97070592843, 291211778529]

約数ペア:

[(1, 291211778529), (3, 97070592843), (7, 41601682647), (9, 32356864281), (21, 13867227549), (27, 10785621427), (49, 5943097521), (63, 4622409183), (147, 1981032507), (189, 1540803061), (441, 660344169), (1323, 220114723)]