31788873

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{337}}^1$

素因数の和:613

約数の個数: 24

約数和(自身を含む): 47244288

約数和(自身を除く): 15455415

約数列:

[1, 3, 9, 47, 141, 223, 337, 423, 669, 1011, 2007, 3033, 10481, 15839, 31443, 47517, 75151, 94329, 142551, 225453, 676359, 3532097, 10596291, 31788873]

約数ペア:

[(1, 31788873), (3, 10596291), (9, 3532097), (47, 676359), (141, 225453), (223, 142551), (337, 94329), (423, 75151), (669, 47517), (1011, 31443), (2007, 15839), (3033, 10481)]