23871321

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{709}}^1$

素因数の和:790

約数の個数: 32

約数和(自身を含む): 37488000

約数和(自身を除く): 13616679

約数列:

[1, 3, 9, 27, 29, 43, 87, 129, 261, 387, 709, 783, 1161, 1247, 2127, 3741, 6381, 11223, 19143, 20561, 30487, 33669, 61683, 91461, 185049, 274383, 555147, 823149, 884123, 2652369, 7957107, 23871321]

約数ペア:

[(1, 23871321), (3, 7957107), (9, 2652369), (27, 884123), (29, 823149), (43, 555147), (87, 274383), (129, 185049), (261, 91461), (387, 61683), (709, 33669), (783, 30487), (1161, 20561), (1247, 19143), (2127, 11223), (3741, 6381)]