67680753

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1\times {\mathrm{311}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 106309632

約数和(自身を除く): 38628879

約数列:

[1, 3, 7, 21, 43, 129, 241, 301, 311, 723, 903, 933, 1687, 2177, 5061, 6531, 10363, 13373, 31089, 40119, 72541, 74951, 93611, 217623, 224853, 280833, 524657, 1573971, 3222893, 9668679, 22560251, 67680753]

約数ペア:

[(1, 67680753), (3, 22560251), (7, 9668679), (21, 3222893), (43, 1573971), (129, 524657), (241, 280833), (301, 224853), (311, 217623), (723, 93611), (903, 74951), (933, 72541), (1687, 40119), (2177, 31089), (5061, 13373), (6531, 10363)]