216891699

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{431}}^1$

素因数の和:607

約数の個数: 32

約数和(自身を含む): 306561024

約数和(自身を除く): 89669325

約数列:

[1, 3, 43, 47, 83, 129, 141, 249, 431, 1293, 2021, 3569, 3901, 6063, 10707, 11703, 18533, 20257, 35773, 55599, 60771, 107319, 167743, 503229, 871051, 1538239, 1681331, 2613153, 4614717, 5043993, 72297233, 216891699]

約数ペア:

[(1, 216891699), (3, 72297233), (43, 5043993), (47, 4614717), (83, 2613153), (129, 1681331), (141, 1538239), (249, 871051), (431, 503229), (1293, 167743), (2021, 107319), (3569, 60771), (3901, 55599), (6063, 35773), (10707, 20257), (11703, 18533)]