225156897

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{1373}}^1$

素因数の和:1542

約数の個数: 48

約数和(自身を含む): 394392960

約数和(自身を除く): 169236063

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 137, 171, 399, 411, 959, 1197, 1233, 1373, 2603, 2877, 4119, 7809, 8631, 9611, 12357, 18221, 23427, 26087, 28833, 54663, 78261, 86499, 163989, 182609, 188101, 234783, 547827, 564303, 1316707, 1643481, 1692909, 3573919, 3950121, 10721757, 11850363, 25017433, 32165271, 75052299, 225156897]

約数ペア:

[(1, 225156897), (3, 75052299), (7, 32165271), (9, 25017433), (19, 11850363), (21, 10721757), (57, 3950121), (63, 3573919), (133, 1692909), (137, 1643481), (171, 1316707), (399, 564303), (411, 547827), (959, 234783), (1197, 188101), (1233, 182609), (1373, 163989), (2603, 86499), (2877, 78261), (4119, 54663), (7809, 28833), (8631, 26087), (9611, 23427), (12357, 18221)]