31908885

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1087}}^1$

素因数の和:1217

約数の個数: 32

約数和(自身を含む): 54312960

約数和(自身を除く): 22404075

約数列:

[1, 3, 5, 15, 19, 57, 95, 103, 285, 309, 515, 1087, 1545, 1957, 3261, 5435, 5871, 9785, 16305, 20653, 29355, 61959, 103265, 111961, 309795, 335883, 559805, 1679415, 2127259, 6381777, 10636295, 31908885]

約数ペア:

[(1, 31908885), (3, 10636295), (5, 6381777), (15, 2127259), (19, 1679415), (57, 559805), (95, 335883), (103, 309795), (285, 111961), (309, 103265), (515, 61959), (1087, 29355), (1545, 20653), (1957, 16305), (3261, 9785), (5435, 5871)]