81541881

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{4663}}^1$

素因数の和:4765

約数の個数: 24

約数和(自身を含む): 123689280

約数和(自身を除く): 42147399

約数列:

[1, 3, 9, 29, 67, 87, 201, 261, 603, 1943, 4663, 5829, 13989, 17487, 41967, 135227, 312421, 405681, 937263, 1217043, 2811789, 9060209, 27180627, 81541881]

約数ペア:

[(1, 81541881), (3, 27180627), (9, 9060209), (29, 2811789), (67, 1217043), (87, 937263), (201, 405681), (261, 312421), (603, 135227), (1943, 41967), (4663, 17487), (5829, 13989)]