16559985

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{521}}^1$

素因数の和:705

約数の個数: 32

約数和(自身を含む): 28764288

約数和(自身を除く): 12204303

約数列:

[1, 3, 5, 13, 15, 39, 65, 163, 195, 489, 521, 815, 1563, 2119, 2445, 2605, 6357, 6773, 7815, 10595, 20319, 31785, 33865, 84923, 101595, 254769, 424615, 1103999, 1273845, 3311997, 5519995, 16559985]

約数ペア:

[(1, 16559985), (3, 5519995), (5, 3311997), (13, 1273845), (15, 1103999), (39, 424615), (65, 254769), (163, 101595), (195, 84923), (489, 33865), (521, 31785), (815, 20319), (1563, 10595), (2119, 7815), (2445, 6773), (2605, 6357)]