81099873

素因数分解:

$3^4\times {\mathrm{131}}^1\times {\mathrm{7643}}^1$

素因数の和:7786

約数の個数: 20

約数和(自身を含む): 122089968

約数和(自身を除く): 40990095

約数列:

[1, 3, 9, 27, 81, 131, 393, 1179, 3537, 7643, 10611, 22929, 68787, 206361, 619083, 1001233, 3003699, 9011097, 27033291, 81099873]

約数ペア:

[(1, 81099873), (3, 27033291), (9, 9011097), (27, 3003699), (81, 1001233), (131, 619083), (393, 206361), (1179, 68787), (3537, 22929), (7643, 10611)]