31086945

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{353}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 57432960

約数和(自身を除く): 26346015

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 103, 171, 285, 309, 353, 515, 855, 927, 1059, 1545, 1765, 1957, 3177, 4635, 5295, 5871, 6707, 9785, 15885, 17613, 20121, 29355, 33535, 36359, 60363, 88065, 100605, 109077, 181795, 301815, 327231, 545385, 690821, 1636155, 2072463, 3454105, 6217389, 10362315, 31086945]

約数ペア:

[(1, 31086945), (3, 10362315), (5, 6217389), (9, 3454105), (15, 2072463), (19, 1636155), (45, 690821), (57, 545385), (95, 327231), (103, 301815), (171, 181795), (285, 109077), (309, 100605), (353, 88065), (515, 60363), (855, 36359), (927, 33535), (1059, 29355), (1545, 20121), (1765, 17613), (1957, 15885), (3177, 9785), (4635, 6707), (5295, 5871)]