139081505

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{821}}^1\times {\mathrm{1993}}^1$

素因数の和:2836

約数の個数: 16

約数和(自身を含む): 177019344

約数和(自身を除く): 37937839

約数列:

[1, 5, 17, 85, 821, 1993, 4105, 9965, 13957, 33881, 69785, 169405, 1636253, 8181265, 27816301, 139081505]

約数ペア:

[(1, 139081505), (5, 27816301), (17, 8181265), (85, 1636253), (821, 169405), (1993, 69785), (4105, 33881), (9965, 13957)]