216570243

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1\times {\mathrm{5179}}^1$

素因数の和:5498

約数の個数: 16

約数和(自身を含む): 295384320

約数和(自身を除く): 78814077

約数列:

[1, 3, 53, 159, 263, 789, 5179, 13939, 15537, 41817, 274487, 823461, 1362077, 4086231, 72190081, 216570243]

約数ペア:

[(1, 216570243), (3, 72190081), (53, 4086231), (159, 1362077), (263, 823461), (789, 274487), (5179, 41817), (13939, 15537)]