888979995

素因数分解:

$3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{569}}^1$

素因数の和:817

約数の個数: 64

約数和(自身を含む): 1615334400

約数和(自身を除く): 726354405

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 135, 163, 213, 355, 489, 569, 639, 815, 1065, 1467, 1707, 1917, 2445, 2845, 3195, 4401, 5121, 7335, 8535, 9585, 11573, 15363, 22005, 25605, 34719, 40399, 57865, 76815, 92747, 104157, 121197, 173595, 201995, 278241, 312471, 363591, 463735, 520785, 605985, 834723, 1090773, 1391205, 1562355, 1817955, 2504169, 4173615, 5453865, 6585037, 12520845, 19755111, 32925185, 59265333, 98775555, 177795999, 296326665, 888979995]

約数ペア:

[(1, 888979995), (3, 296326665), (5, 177795999), (9, 98775555), (15, 59265333), (27, 32925185), (45, 19755111), (71, 12520845), (135, 6585037), (163, 5453865), (213, 4173615), (355, 2504169), (489, 1817955), (569, 1562355), (639, 1391205), (815, 1090773), (1065, 834723), (1467, 605985), (1707, 520785), (1917, 463735), (2445, 363591), (2845, 312471), (3195, 278241), (4401, 201995), (5121, 173595), (7335, 121197), (8535, 104157), (9585, 92747), (11573, 76815), (15363, 57865), (22005, 40399), (25605, 34719)]