199936317

素因数分解:

$3^1\times 7^2\times {\mathrm{191}}^1\times {\mathrm{7121}}^1$

素因数の和:7329

約数の個数: 24

約数和(自身を含む): 311772672

約数和(自身を除く): 111836355

約数列:

[1, 3, 7, 21, 49, 147, 191, 573, 1337, 4011, 7121, 9359, 21363, 28077, 49847, 149541, 348929, 1046787, 1360111, 4080333, 9520777, 28562331, 66645439, 199936317]

約数ペア:

[(1, 199936317), (3, 66645439), (7, 28562331), (21, 9520777), (49, 4080333), (147, 1360111), (191, 1046787), (573, 348929), (1337, 149541), (4011, 49847), (7121, 28077), (9359, 21363)]