180009005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{2437}}^1$

素因数の和:2549

約数の個数: 32

約数和(自身を含む): 252771840

約数和(自身を除く): 72762835

約数列:

[1, 5, 11, 17, 55, 79, 85, 187, 395, 869, 935, 1343, 2437, 4345, 6715, 12185, 14773, 26807, 41429, 73865, 134035, 192523, 207145, 455719, 962615, 2117753, 2278595, 3272891, 10588765, 16364455, 36001801, 180009005]

約数ペア:

[(1, 180009005), (5, 36001801), (11, 16364455), (17, 10588765), (55, 3272891), (79, 2278595), (85, 2117753), (187, 962615), (395, 455719), (869, 207145), (935, 192523), (1343, 134035), (2437, 73865), (4345, 41429), (6715, 26807), (12185, 14773)]