187145973

素因数分解:

$3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{21683}}^1$

素因数の和:21833

約数の個数: 24

約数和(自身を含む): 311208768

約数和(自身を除く): 124062795

約数列:

[1, 3, 7, 9, 21, 63, 137, 411, 959, 1233, 2877, 8631, 21683, 65049, 151781, 195147, 455343, 1366029, 2970571, 8911713, 20793997, 26735139, 62381991, 187145973]

約数ペア:

[(1, 187145973), (3, 62381991), (7, 26735139), (9, 20793997), (21, 8911713), (63, 2970571), (137, 1366029), (411, 455343), (959, 195147), (1233, 151781), (2877, 65049), (8631, 21683)]