31876731

素因数分解:

$3^2\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1$

素因数の和:535

約数の個数: 24

約数和(自身を含む): 47087040

約数和(自身を除く): 15210309

約数列:

[1, 3, 9, 83, 139, 249, 307, 417, 747, 921, 1251, 2763, 11537, 25481, 34611, 42673, 76443, 103833, 128019, 229329, 384057, 3541859, 10625577, 31876731]

約数ペア:

[(1, 31876731), (3, 10625577), (9, 3541859), (83, 384057), (139, 229329), (249, 128019), (307, 103833), (417, 76443), (747, 42673), (921, 34611), (1251, 25481), (2763, 11537)]