340795

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1$

素因数の和:139

約数の個数: 24

約数和(自身を含む): 517104

約数和(自身を除く): 176309

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 107, 245, 455, 535, 637, 749, 1391, 3185, 3745, 5243, 6955, 9737, 26215, 48685, 68159, 340795]

約数ペア:

[(1, 340795), (5, 68159), (7, 48685), (13, 26215), (35, 9737), (49, 6955), (65, 5243), (91, 3745), (107, 3185), (245, 1391), (455, 749), (535, 637)]