28637085

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1129}}^1$

素因数の和:1245

約数の個数: 32

約数和(自身を含む): 48816000

約数和(自身を除く): 20178915

約数列:

[1, 3, 5, 15, 19, 57, 89, 95, 267, 285, 445, 1129, 1335, 1691, 3387, 5073, 5645, 8455, 16935, 21451, 25365, 64353, 100481, 107255, 301443, 321765, 502405, 1507215, 1909139, 5727417, 9545695, 28637085]

約数ペア:

[(1, 28637085), (3, 9545695), (5, 5727417), (15, 1909139), (19, 1507215), (57, 502405), (89, 321765), (95, 301443), (267, 107255), (285, 100481), (445, 64353), (1129, 25365), (1335, 21451), (1691, 16935), (3387, 8455), (5073, 5645)]