91787121

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{661}}^1$

素因数の和:846

約数の個数: 32

約数和(自身を含む): 140873600

約数和(自身を除く): 49086479

約数列:

[1, 3, 9, 27, 37, 111, 139, 333, 417, 661, 999, 1251, 1983, 3753, 5143, 5949, 15429, 17847, 24457, 46287, 73371, 91879, 138861, 220113, 275637, 660339, 826911, 2480733, 3399523, 10198569, 30595707, 91787121]

約数ペア:

[(1, 91787121), (3, 30595707), (9, 10198569), (27, 3399523), (37, 2480733), (111, 826911), (139, 660339), (333, 275637), (417, 220113), (661, 138861), (999, 91879), (1251, 73371), (1983, 46287), (3753, 24457), (5143, 17847), (5949, 15429)]