851409

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1$

素因数の和:421

約数の個数: 24

約数和(自身を含む): 1397760

約数和(自身を除く): 546351

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 383, 741, 1149, 2223, 3447, 4979, 7277, 14937, 21831, 44811, 65493, 94601, 283803, 851409]

約数ペア:

[(1, 851409), (3, 283803), (9, 94601), (13, 65493), (19, 44811), (39, 21831), (57, 14937), (117, 7277), (171, 4979), (247, 3447), (383, 2223), (741, 1149)]