338644995

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{40387}}^1$

素因数の和:40451

約数の個数: 32

約数和(自身を含む): 597096192

約数和(自身を除く): 258451197

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 129, 195, 215, 559, 645, 1677, 2795, 8385, 40387, 121161, 201935, 525031, 605805, 1575093, 1736641, 2625155, 5209923, 7875465, 8683205, 22576333, 26049615, 67728999, 112881665, 338644995]

約数ペア:

[(1, 338644995), (3, 112881665), (5, 67728999), (13, 26049615), (15, 22576333), (39, 8683205), (43, 7875465), (65, 5209923), (129, 2625155), (195, 1736641), (215, 1575093), (559, 605805), (645, 525031), (1677, 201935), (2795, 121161), (8385, 40387)]