13721979

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1\times {\mathrm{317}}^1$

素因数の和:674

約数の個数: 16

約数和(自身を含む): 18805248

約数和(自身を除く): 5083269

約数列:

[1, 3, 47, 141, 307, 317, 921, 951, 14429, 14899, 43287, 44697, 97319, 291957, 4573993, 13721979]

約数ペア:

[(1, 13721979), (3, 4573993), (47, 291957), (141, 97319), (307, 44697), (317, 43287), (921, 14899), (951, 14429)]