397340415

素因数分解:

$3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{64451}}^1$

素因数の和:64599

約数の個数: 24

約数和(自身を含む): 693761328

約数和(自身を除く): 296420913

約数列:

[1, 3, 5, 9, 15, 45, 137, 411, 685, 1233, 2055, 6165, 64451, 193353, 322255, 580059, 966765, 2900295, 8829787, 26489361, 44148935, 79468083, 132446805, 397340415]

約数ペア:

[(1, 397340415), (3, 132446805), (5, 79468083), (9, 44148935), (15, 26489361), (45, 8829787), (137, 2900295), (411, 966765), (685, 580059), (1233, 322255), (2055, 193353), (6165, 64451)]