213090435201

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{68101769}}^1$

素因数の和:68101928

約数の個数: 16

約数和(自身を含む): 326888496000

約数和(自身を除く): 113798060799

約数列:

[1, 3, 7, 21, 149, 447, 1043, 3129, 68101769, 204305307, 476712383, 1430137149, 10147163581, 30441490743, 71030145067, 213090435201]

約数ペア:

[(1, 213090435201), (3, 71030145067), (7, 30441490743), (21, 10147163581), (149, 1430137149), (447, 476712383), (1043, 204305307), (3129, 68101769)]