213780219

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1373}}^1$

素因数の和:1507

約数の個数: 32

約数和(自身を含む): 313403904

約数和(自身を除く): 99623685

約数列:

[1, 3, 17, 43, 51, 71, 129, 213, 731, 1207, 1373, 2193, 3053, 3621, 4119, 9159, 23341, 51901, 59039, 70023, 97483, 155703, 177117, 292449, 1003663, 1657211, 3010989, 4191769, 4971633, 12575307, 71260073, 213780219]

約数ペア:

[(1, 213780219), (3, 71260073), (17, 12575307), (43, 4971633), (51, 4191769), (71, 3010989), (129, 1657211), (213, 1003663), (731, 292449), (1207, 177117), (1373, 155703), (2193, 97483), (3053, 70023), (3621, 59039), (4119, 51901), (9159, 23341)]