31228749

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{647}}^1$

素因数の和:857

約数の個数: 24

約数和(自身を含む): 46904832

約数和(自身を除く): 15676083

約数列:

[1, 3, 9, 31, 93, 173, 279, 519, 647, 1557, 1941, 5363, 5823, 16089, 20057, 48267, 60171, 111931, 180513, 335793, 1007379, 3469861, 10409583, 31228749]

約数ペア:

[(1, 31228749), (3, 10409583), (9, 3469861), (31, 1007379), (93, 335793), (173, 180513), (279, 111931), (519, 60171), (647, 48267), (1557, 20057), (1941, 16089), (5363, 5823)]