399321789

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{293}}^1\times {\mathrm{26723}}^1$

素因数の和:27036

約数の個数: 16

約数和(自身を含む): 565693632

約数和(自身を除く): 166371843

約数列:

[1, 3, 17, 51, 293, 879, 4981, 14943, 26723, 80169, 454291, 1362873, 7829839, 23489517, 133107263, 399321789]

約数ペア:

[(1, 399321789), (3, 133107263), (17, 23489517), (51, 7829839), (293, 1362873), (879, 454291), (4981, 80169), (14943, 26723)]