217062417

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{38921}}^1$

素因数の和:38961

約数の個数: 24

約数和(自身を含む): 341890848

約数和(自身を除く): 124828431

約数列:

[1, 3, 11, 13, 33, 39, 143, 169, 429, 507, 1859, 5577, 38921, 116763, 428131, 505973, 1284393, 1517919, 5565703, 6577649, 16697109, 19732947, 72354139, 217062417]

約数ペア:

[(1, 217062417), (3, 72354139), (11, 19732947), (13, 16697109), (33, 6577649), (39, 5565703), (143, 1517919), (169, 1284393), (429, 505973), (507, 428131), (1859, 116763), (5577, 38921)]