71906019

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{17981}}^1$

素因数の和:18058

約数の個数: 16

約数和(自身を含む): 101274624

約数和(自身を除く): 29368605

約数列:

[1, 3, 31, 43, 93, 129, 1333, 3999, 17981, 53943, 557411, 773183, 1672233, 2319549, 23968673, 71906019]

約数ペア:

[(1, 71906019), (3, 23968673), (31, 2319549), (43, 1672233), (93, 773183), (129, 557411), (1333, 53943), (3999, 17981)]