81209367

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{10037}}^1$

素因数の和:10103

約数の個数: 24

約数和(自身を含む): 125274240

約数和(自身を除く): 44064873

約数列:

[1, 3, 9, 29, 31, 87, 93, 261, 279, 899, 2697, 8091, 10037, 30111, 90333, 291073, 311147, 873219, 933441, 2619657, 2800323, 9023263, 27069789, 81209367]

約数ペア:

[(1, 81209367), (3, 27069789), (9, 9023263), (29, 2800323), (31, 2619657), (87, 933441), (93, 873219), (261, 311147), (279, 291073), (899, 90333), (2697, 30111), (8091, 10037)]