217871337

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{63761}}^1$

素因数の和:63848

約数の個数: 16

約数和(自身を含む): 312178752

約数和(自身を除く): 94307415

約数列:

[1, 3, 17, 51, 67, 201, 1139, 3417, 63761, 191283, 1083937, 3251811, 4271987, 12815961, 72623779, 217871337]

約数ペア:

[(1, 217871337), (3, 72623779), (17, 12815961), (51, 4271987), (67, 3251811), (201, 1083937), (1139, 191283), (3417, 63761)]