71997315

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{877}}^1$

素因数の和:1319

約数の個数: 32

約数和(自身を含む): 124493376

約数和(自身を除く): 52496061

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 421, 877, 1263, 2105, 2631, 4385, 5473, 6315, 11401, 13155, 16419, 27365, 34203, 57005, 82095, 171015, 369217, 1107651, 1846085, 4799821, 5538255, 14399463, 23999105, 71997315]

約数ペア:

[(1, 71997315), (3, 23999105), (5, 14399463), (13, 5538255), (15, 4799821), (39, 1846085), (65, 1107651), (195, 369217), (421, 171015), (877, 82095), (1263, 57005), (2105, 34203), (2631, 27365), (4385, 16419), (5473, 13155), (6315, 11401)]