64490415

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{390851}}^1$

素因数の和:390870

約数の個数: 16

約数和(自身を含む): 112565376

約数和(自身を除く): 48074961

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 390851, 1172553, 1954255, 4299361, 5862765, 12898083, 21496805, 64490415]

約数ペア:

[(1, 64490415), (3, 21496805), (5, 12898083), (11, 5862765), (15, 4299361), (33, 1954255), (55, 1172553), (165, 390851)]