1231857

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{541}}^1$

素因数の和:581

約数の個数: 24

約数和(自身を含む): 2029248

約数和(自身を除く): 797391

約数列:

[1, 3, 9, 11, 23, 33, 69, 99, 207, 253, 541, 759, 1623, 2277, 4869, 5951, 12443, 17853, 37329, 53559, 111987, 136873, 410619, 1231857]

約数ペア:

[(1, 1231857), (3, 410619), (9, 136873), (11, 111987), (23, 53559), (33, 37329), (69, 17853), (99, 12443), (207, 5951), (253, 4869), (541, 2277), (759, 1623)]