321996813

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{26417}}^1$

素因数の和:26676

約数の個数: 16

約数和(自身を含む): 456503040

約数和(自身を除く): 134506227

約数列:

[1, 3, 17, 51, 239, 717, 4063, 12189, 26417, 79251, 449089, 1347267, 6313663, 18940989, 107332271, 321996813]

約数ペア:

[(1, 321996813), (3, 107332271), (17, 18940989), (51, 6313663), (239, 1347267), (717, 449089), (4063, 79251), (12189, 26417)]