207289901

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{373}}^1$

素因数の和:621

約数の個数: 32

約数和(自身を含む): 265402368

約数和(自身を除く): 58112467

約数列:

[1, 7, 13, 31, 91, 197, 217, 373, 403, 1379, 2561, 2611, 2821, 4849, 6107, 11563, 17927, 33943, 42749, 73481, 79391, 80941, 150319, 514367, 555737, 955253, 1052233, 2277911, 6686771, 15945377, 29612843, 207289901]

約数ペア:

[(1, 207289901), (7, 29612843), (13, 15945377), (31, 6686771), (91, 2277911), (197, 1052233), (217, 955253), (373, 555737), (403, 514367), (1379, 150319), (2561, 80941), (2611, 79391), (2821, 73481), (4849, 42749), (6107, 33943), (11563, 17927)]