201915917

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1571}}^1$

素因数の和:1689

約数の個数: 24

約数和(自身を含む): 244439712

約数和(自身を除く): 42523795

約数列:

[1, 7, 43, 49, 61, 301, 427, 1571, 2107, 2623, 2989, 10997, 18361, 67553, 76979, 95831, 128527, 472871, 670817, 3310097, 4120733, 4695719, 28845131, 201915917]

約数ペア:

[(1, 201915917), (7, 28845131), (43, 4695719), (49, 4120733), (61, 3310097), (301, 670817), (427, 472871), (1571, 128527), (2107, 95831), (2623, 76979), (2989, 67553), (10997, 18361)]