223468273

素因数分解:

$7^4\times {\mathrm{163}}^1\times {\mathrm{571}}^1$

素因数の和:762

約数の個数: 20

約数和(自身を含む): 262756208

約数和(自身を除く): 39287935

約数列:

[1, 7, 49, 163, 343, 571, 1141, 2401, 3997, 7987, 27979, 55909, 93073, 195853, 391363, 651511, 1370971, 4560577, 31924039, 223468273]

約数ペア:

[(1, 223468273), (7, 31924039), (49, 4560577), (163, 1370971), (343, 651511), (571, 391363), (1141, 195853), (2401, 93073), (3997, 55909), (7987, 27979)]