149891

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:63

約数の個数: 16

約数和(自身を含む): 192000

約数和(自身を除く): 42109

約数列:

[1, 7, 19, 23, 49, 133, 161, 343, 437, 931, 1127, 3059, 6517, 7889, 21413, 149891]

約数ペア:

[(1, 149891), (7, 21413), (19, 7889), (23, 6517), (49, 3059), (133, 1127), (161, 931), (343, 437)]