31997439

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{331}}^1\times {\mathrm{467}}^1$

素因数の和:827

約数の個数: 24

約数和(自身を含む): 48477312

約数和(自身を除く): 16479873

約数列:

[1, 3, 9, 23, 69, 207, 331, 467, 993, 1401, 2979, 4203, 7613, 10741, 22839, 32223, 68517, 96669, 154577, 463731, 1391193, 3555271, 10665813, 31997439]

約数ペア:

[(1, 31997439), (3, 10665813), (9, 3555271), (23, 1391193), (69, 463731), (207, 154577), (331, 96669), (467, 68517), (993, 32223), (1401, 22839), (2979, 10741), (4203, 7613)]