17963985

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5419}}^1$

素因数の和:5457

約数の個数: 32

約数和(自身を含む): 32780160

約数和(自身を除く): 14816175

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 5419, 16257, 27095, 70447, 81285, 92123, 211341, 276369, 352235, 460615, 1056705, 1197599, 1381845, 3592797, 5987995, 17963985]

約数ペア:

[(1, 17963985), (3, 5987995), (5, 3592797), (13, 1381845), (15, 1197599), (17, 1056705), (39, 460615), (51, 352235), (65, 276369), (85, 211341), (195, 92123), (221, 81285), (255, 70447), (663, 27095), (1105, 16257), (3315, 5419)]