81025821

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{331}}^1\times {\mathrm{461}}^1$

素因数の和:857

約数の個数: 24

約数和(自身を含む): 119639520

約数和(自身を除く): 38613699

約数列:

[1, 3, 9, 59, 177, 331, 461, 531, 993, 1383, 2979, 4149, 19529, 27199, 58587, 81597, 152591, 175761, 244791, 457773, 1373319, 9002869, 27008607, 81025821]

約数ペア:

[(1, 81025821), (3, 27008607), (9, 9002869), (59, 1373319), (177, 457773), (331, 244791), (461, 175761), (531, 152591), (993, 81597), (1383, 58587), (2979, 27199), (4149, 19529)]