180240081

素因数分解:

$3^1\times 7^2\times {\mathrm{941}}^1\times {\mathrm{1303}}^1$

素因数の和:2261

約数の個数: 24

約数和(自身を含む): 280067904

約数和(自身を除く): 99827823

約数列:

[1, 3, 7, 21, 49, 147, 941, 1303, 2823, 3909, 6587, 9121, 19761, 27363, 46109, 63847, 138327, 191541, 1226123, 3678369, 8582861, 25748583, 60080027, 180240081]

約数ペア:

[(1, 180240081), (3, 60080027), (7, 25748583), (21, 8582861), (49, 3678369), (147, 1226123), (941, 191541), (1303, 138327), (2823, 63847), (3909, 46109), (6587, 27363), (9121, 19761)]