1215855873

素因数分解:

$3^3\times {\mathrm{107}}^1\times {\mathrm{420857}}^1$

素因数の和:420973

約数の個数: 16

約数和(自身を含む): 1818106560

約数和(自身を除く): 602250687

約数列:

[1, 3, 9, 27, 107, 321, 963, 2889, 420857, 1262571, 3787713, 11363139, 45031699, 135095097, 405285291, 1215855873]

約数ペア:

[(1, 1215855873), (3, 405285291), (9, 135095097), (27, 45031699), (107, 11363139), (321, 3787713), (963, 1262571), (2889, 420857)]