11921329

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{401}}^1$

素因数の和:576

約数の個数: 16

約数和(自身を含む): 14201856

約数和(自身を除く): 2280527

約数列:

[1, 7, 31, 137, 217, 401, 959, 2807, 4247, 12431, 29729, 54937, 87017, 384559, 1703047, 11921329]

約数ペア:

[(1, 11921329), (7, 1703047), (31, 384559), (137, 87017), (217, 54937), (401, 29729), (959, 12431), (2807, 4247)]