209168253

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{107101}}^1$

素因数の和:107145

約数の個数: 24

約数和(自身を含む): 356435456

約数和(自身を除く): 147267203

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 107101, 321303, 749707, 963909, 2249121, 3320131, 6747363, 9960393, 23240917, 29881179, 69722751, 209168253]

約数ペア:

[(1, 209168253), (3, 69722751), (7, 29881179), (9, 23240917), (21, 9960393), (31, 6747363), (63, 3320131), (93, 2249121), (217, 963909), (279, 749707), (651, 321303), (1953, 107101)]