420179955

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{58237}}^1$

素因数の和:58295

約数の個数: 32

約数和(自身を含む): 743582784

約数和(自身を除く): 323402829

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 111, 185, 195, 481, 555, 1443, 2405, 7215, 58237, 174711, 291185, 757081, 873555, 2154769, 2271243, 3785405, 6464307, 10773845, 11356215, 28011997, 32321535, 84035991, 140059985, 420179955]

約数ペア:

[(1, 420179955), (3, 140059985), (5, 84035991), (13, 32321535), (15, 28011997), (37, 11356215), (39, 10773845), (65, 6464307), (111, 3785405), (185, 2271243), (195, 2154769), (481, 873555), (555, 757081), (1443, 291185), (2405, 174711), (7215, 58237)]