215538741

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{36901}}^1$

素因数の和:36977

約数の個数: 24

約数和(自身を含む): 345402720

約数和(自身を除く): 129863979

約数列:

[1, 3, 9, 11, 33, 59, 99, 177, 531, 649, 1947, 5841, 36901, 110703, 332109, 405911, 1217733, 2177159, 3653199, 6531477, 19594431, 23948749, 71846247, 215538741]

約数ペア:

[(1, 215538741), (3, 71846247), (9, 23948749), (11, 19594431), (33, 6531477), (59, 3653199), (99, 2177159), (177, 1217733), (531, 405911), (649, 332109), (1947, 110703), (5841, 36901)]