178889427

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{2383}}^1$

素因数の和:2847

約数の個数: 24

約数和(自身を含む): 272729600

約数和(自身を除く): 93840173

約数列:

[1, 3, 9, 19, 57, 171, 439, 1317, 2383, 3951, 7149, 8341, 21447, 25023, 45277, 75069, 135831, 407493, 1046137, 3138411, 9415233, 19876603, 59629809, 178889427]

約数ペア:

[(1, 178889427), (3, 59629809), (9, 19876603), (19, 9415233), (57, 3138411), (171, 1046137), (439, 407493), (1317, 135831), (2383, 75069), (3951, 45277), (7149, 25023), (8341, 21447)]