81235979

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1$

素因数の和:323

約数の個数: 32

約数和(自身を含む): 98496000

約数和(自身を除く): 17260021

約数列:

[1, 11, 17, 37, 59, 187, 199, 407, 629, 649, 1003, 2183, 2189, 3383, 6919, 7363, 11033, 11741, 24013, 37111, 37213, 80993, 125171, 129151, 199597, 408221, 434417, 1376881, 2195567, 4778587, 7385089, 81235979]

約数ペア:

[(1, 81235979), (11, 7385089), (17, 4778587), (37, 2195567), (59, 1376881), (187, 434417), (199, 408221), (407, 199597), (629, 129151), (649, 125171), (1003, 80993), (2183, 37213), (2189, 37111), (3383, 24013), (6919, 11741), (7363, 11033)]