15697210521

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{853}}^1\times {\mathrm{859}}^1$

素因数の和:1945

約数の個数: 32

約数和(自身を含む): 21657166720

約数和(自身を除く): 5959956199

約数列:

[1, 3, 37, 111, 193, 579, 853, 859, 2559, 2577, 7141, 21423, 31561, 31783, 94683, 95349, 164629, 165787, 493887, 497361, 732727, 2198181, 6091273, 6134119, 18273819, 18402357, 27110899, 81332697, 141416311, 424248933, 5232403507, 15697210521]

約数ペア:

[(1, 15697210521), (3, 5232403507), (37, 424248933), (111, 141416311), (193, 81332697), (579, 27110899), (853, 18402357), (859, 18273819), (2559, 6134119), (2577, 6091273), (7141, 2198181), (21423, 732727), (31561, 497361), (31783, 493887), (94683, 165787), (95349, 164629)]