201897857

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^2\times {\mathrm{821}}^1$

素因数の和:933

約数の個数: 24

約数和(自身を含む): 248967360

約数和(自身を除く): 47069503

約数列:

[1, 7, 19, 43, 133, 301, 817, 821, 1849, 5719, 5747, 12943, 15599, 35131, 35303, 109193, 245917, 247121, 670757, 1518029, 4695299, 10626203, 28842551, 201897857]

約数ペア:

[(1, 201897857), (7, 28842551), (19, 10626203), (43, 4695299), (133, 1518029), (301, 670757), (817, 247121), (821, 245917), (1849, 109193), (5719, 35303), (5747, 35131), (12943, 15599)]