81781362

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{349493}}^1$

素因数の和:349514

約数の個数: 24

約数和(自身を含む): 190823724

約数和(自身を除く): 109042362

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 349493, 698986, 1048479, 2096958, 3145437, 4543409, 6290874, 9086818, 13630227, 27260454, 40890681, 81781362]

約数ペア:

[(1, 81781362), (2, 40890681), (3, 27260454), (6, 13630227), (9, 9086818), (13, 6290874), (18, 4543409), (26, 3145437), (39, 2096958), (78, 1048479), (117, 698986), (234, 349493)]