195787431

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{135119}}^1$

素因数の和:135155

約数の個数: 24

約数和(自身を含む): 337259520

約数和(自身を除く): 141472089

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 135119, 405357, 945833, 1216071, 2837499, 3107737, 8512497, 9323211, 21754159, 27969633, 65262477, 195787431]

約数ペア:

[(1, 195787431), (3, 65262477), (7, 27969633), (9, 21754159), (21, 9323211), (23, 8512497), (63, 3107737), (69, 2837499), (161, 1216071), (207, 945833), (483, 405357), (1449, 135119)]