890391405

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{32633}}^1$

素因数の和:32765

約数の個数: 32

約数和(自身を含む): 1522571904

約数和(自身を除く): 632180499

約数列:

[1, 3, 5, 15, 17, 51, 85, 107, 255, 321, 535, 1605, 1819, 5457, 9095, 27285, 32633, 97899, 163165, 489495, 554761, 1664283, 2773805, 3491731, 8321415, 10475193, 17458655, 52375965, 59359427, 178078281, 296797135, 890391405]

約数ペア:

[(1, 890391405), (3, 296797135), (5, 178078281), (15, 59359427), (17, 52375965), (51, 17458655), (85, 10475193), (107, 8321415), (255, 3491731), (321, 2773805), (535, 1664283), (1605, 554761), (1819, 489495), (5457, 163165), (9095, 97899), (27285, 32633)]