220988229

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{86969}}^1$

素因数の和:87001

約数の個数: 24

約数和(自身を含む): 370144320

約数和(自身を除く): 149156091

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 2541, 86969, 260907, 608783, 956659, 1826349, 2869977, 6696613, 10523249, 20089839, 31569747, 73662743, 220988229]

約数ペア:

[(1, 220988229), (3, 73662743), (7, 31569747), (11, 20089839), (21, 10523249), (33, 6696613), (77, 2869977), (121, 1826349), (231, 956659), (363, 608783), (847, 260907), (2541, 86969)]