221123367

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{499}}^1\times {\mathrm{929}}^1$

素因数の和:1487

約数の個数: 24

約数和(自身を含む): 326430000

約数和(自身を除く): 105306633

約数列:

[1, 3, 9, 53, 159, 477, 499, 929, 1497, 2787, 4491, 8361, 26447, 49237, 79341, 147711, 238023, 443133, 463571, 1390713, 4172139, 24569263, 73707789, 221123367]

約数ペア:

[(1, 221123367), (3, 73707789), (9, 24569263), (53, 4172139), (159, 1390713), (477, 463571), (499, 443133), (929, 238023), (1497, 147711), (2787, 79341), (4491, 49237), (8361, 26447)]