291212236791

素因数分解:

$3^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{21907187}}^1$

素因数の和:21907411

約数の個数: 24

約数和(自身を含む): 483009681024

約数和(自身を除く): 191797444233

約数列:

[1, 3, 7, 9, 21, 63, 211, 633, 1477, 1899, 4431, 13293, 21907187, 65721561, 153350309, 197164683, 460050927, 1380152781, 4622416457, 13867249371, 32356915199, 41601748113, 97070745597, 291212236791]

約数ペア:

[(1, 291212236791), (3, 97070745597), (7, 41601748113), (9, 32356915199), (21, 13867249371), (63, 4622416457), (211, 1380152781), (633, 460050927), (1477, 197164683), (1899, 153350309), (4431, 65721561), (13293, 21907187)]