1391897199

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6025529}}^1$

素因数の和:6025550

約数の個数: 16

約数和(自身を含む): 2313803520

約数和(自身を除く): 921906321

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 6025529, 18076587, 42178703, 66280819, 126536109, 198842457, 463965733, 1391897199]

約数ペア:

[(1, 1391897199), (3, 463965733), (7, 198842457), (11, 126536109), (21, 66280819), (33, 42178703), (77, 18076587), (231, 6025529)]