31027563

素因数分解:

$3^3\times 7^1\times {\mathrm{181}}^1\times {\mathrm{907}}^1$

素因数の和:1104

約数の個数: 32

約数和(自身を含む): 52881920

約数和(自身を除く): 21854357

約数列:

[1, 3, 7, 9, 21, 27, 63, 181, 189, 543, 907, 1267, 1629, 2721, 3801, 4887, 6349, 8163, 11403, 19047, 24489, 34209, 57141, 164167, 171423, 492501, 1149169, 1477503, 3447507, 4432509, 10342521, 31027563]

約数ペア:

[(1, 31027563), (3, 10342521), (7, 4432509), (9, 3447507), (21, 1477503), (27, 1149169), (63, 492501), (181, 171423), (189, 164167), (543, 57141), (907, 34209), (1267, 24489), (1629, 19047), (2721, 11403), (3801, 8163), (4887, 6349)]