78338415

素因数分解:

$3^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{7901}}^1$

素因数の和:8570

約数の個数: 16

約数和(自身を含む): 125546976

約数和(自身を除く): 47208561

約数列:

[1, 3, 5, 15, 661, 1983, 3305, 7901, 9915, 23703, 39505, 118515, 5222561, 15667683, 26112805, 78338415]

約数ペア:

[(1, 78338415), (3, 26112805), (5, 15667683), (15, 5222561), (661, 118515), (1983, 39505), (3305, 23703), (7901, 9915)]