211672797

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1193}}^1$

素因数の和:1298

約数の個数: 48

約数和(自身を含む): 352812672

約数和(自身を除く): 141139875

約数列:

[1, 3, 7, 17, 21, 49, 51, 71, 119, 147, 213, 357, 497, 833, 1193, 1207, 1491, 2499, 3479, 3579, 3621, 8351, 8449, 10437, 20281, 25053, 25347, 58457, 59143, 60843, 84703, 141967, 175371, 177429, 254109, 425901, 592921, 993769, 1439951, 1778763, 2981307, 4150447, 4319853, 10079657, 12451341, 30238971, 70557599, 211672797]

約数ペア:

[(1, 211672797), (3, 70557599), (7, 30238971), (17, 12451341), (21, 10079657), (49, 4319853), (51, 4150447), (71, 2981307), (119, 1778763), (147, 1439951), (213, 993769), (357, 592921), (497, 425901), (833, 254109), (1193, 177429), (1207, 175371), (1491, 141967), (2499, 84703), (3479, 60843), (3579, 59143), (3621, 58457), (8351, 25347), (8449, 25053), (10437, 20281)]