216888447

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{8237}}^1$

素因数の和:8438

約数の個数: 16

約数和(自身を含む): 295777152

約数和(自身を除く): 78888705

約数列:

[1, 3, 67, 131, 201, 393, 8237, 8777, 24711, 26331, 551879, 1079047, 1655637, 3237141, 72296149, 216888447]

約数ペア:

[(1, 216888447), (3, 72296149), (67, 3237141), (131, 1655637), (201, 1079047), (393, 551879), (8237, 26331), (8777, 24711)]