28679283

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1$

素因数の和:511

約数の個数: 24

約数和(自身を含む): 42432000

約数和(自身を除く): 13752717

約数列:

[1, 3, 9, 67, 199, 201, 239, 597, 603, 717, 1791, 2151, 13333, 16013, 39999, 47561, 48039, 119997, 142683, 144117, 428049, 3186587, 9559761, 28679283]

約数ペア:

[(1, 28679283), (3, 9559761), (9, 3186587), (67, 428049), (199, 144117), (201, 142683), (239, 119997), (597, 48039), (603, 47561), (717, 39999), (1791, 16013), (2151, 13333)]