218369817

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{120713}}^1$

素因数の和:120789

約数の個数: 16

約数和(自身を含む): 328342080

約数和(自身を除く): 109972263

約数列:

[1, 3, 9, 27, 67, 201, 603, 1809, 120713, 362139, 1086417, 3259251, 8087771, 24263313, 72789939, 218369817]

約数ペア:

[(1, 218369817), (3, 72789939), (9, 24263313), (27, 8087771), (67, 3259251), (201, 1086417), (603, 362139), (1809, 120713)]