218363385

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{12781}}^1$

素因数の和:12873

約数の個数: 32

約数和(自身を含む): 375484032

約数和(自身を除く): 157120647

約数列:

[1, 3, 5, 15, 17, 51, 67, 85, 201, 255, 335, 1005, 1139, 3417, 5695, 12781, 17085, 38343, 63905, 191715, 217277, 651831, 856327, 1086385, 2568981, 3259155, 4281635, 12844905, 14557559, 43672677, 72787795, 218363385]

約数ペア:

[(1, 218363385), (3, 72787795), (5, 43672677), (15, 14557559), (17, 12844905), (51, 4281635), (67, 3259155), (85, 2568981), (201, 1086385), (255, 856327), (335, 651831), (1005, 217277), (1139, 191715), (3417, 63905), (5695, 38343), (12781, 17085)]