1900994835

素因数分解:

$3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{563}}^1\times {\mathrm{1381}}^1$

素因数の和:2115

約数の個数: 32

約数和(自身を含む): 3067907328

約数和(自身を除く): 1166912493

約数列:

[1, 3, 5, 15, 163, 489, 563, 815, 1381, 1689, 2445, 2815, 4143, 6905, 8445, 20715, 91769, 225103, 275307, 458845, 675309, 777503, 1125515, 1376535, 2332509, 3376545, 3887515, 11662545, 126732989, 380198967, 633664945, 1900994835]

約数ペア:

[(1, 1900994835), (3, 633664945), (5, 380198967), (15, 126732989), (163, 11662545), (489, 3887515), (563, 3376545), (815, 2332509), (1381, 1376535), (1689, 1125515), (2445, 777503), (2815, 675309), (4143, 458845), (6905, 275307), (8445, 225103), (20715, 91769)]