209225169

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1361}}^1$

素因数の和:1446

約数の個数: 48

約数和(自身を含む): 339955200

約数和(自身を除く): 130730031

約数列:

[1, 3, 9, 19, 29, 31, 57, 87, 93, 171, 261, 279, 551, 589, 899, 1361, 1653, 1767, 2697, 4083, 4959, 5301, 8091, 12249, 17081, 25859, 39469, 42191, 51243, 77577, 118407, 126573, 153729, 232731, 355221, 379719, 749911, 801629, 1223539, 2249733, 2404887, 3670617, 6749199, 7214661, 11011851, 23247241, 69741723, 209225169]

約数ペア:

[(1, 209225169), (3, 69741723), (9, 23247241), (19, 11011851), (29, 7214661), (31, 6749199), (57, 3670617), (87, 2404887), (93, 2249733), (171, 1223539), (261, 801629), (279, 749911), (551, 379719), (589, 355221), (899, 232731), (1361, 153729), (1653, 126573), (1767, 118407), (2697, 77577), (4083, 51243), (4959, 42191), (5301, 39469), (8091, 25859), (12249, 17081)]