78152013

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{661}}^1$

素因数の和:850

約数の個数: 32

約数和(自身を含む): 120748800

約数和(自身を除く): 42596787

約数列:

[1, 3, 9, 27, 29, 87, 151, 261, 453, 661, 783, 1359, 1983, 4077, 4379, 5949, 13137, 17847, 19169, 39411, 57507, 99811, 118233, 172521, 299433, 517563, 898299, 2694897, 2894519, 8683557, 26050671, 78152013]

約数ペア:

[(1, 78152013), (3, 26050671), (9, 8683557), (27, 2894519), (29, 2694897), (87, 898299), (151, 517563), (261, 299433), (453, 172521), (661, 118233), (783, 99811), (1359, 57507), (1983, 39411), (4077, 19169), (4379, 17847), (5949, 13137)]