836710317

素因数分解:

$3^4\times {\mathrm{487}}^1\times {\mathrm{21211}}^1$

素因数の和:21710

約数の個数: 20

約数和(自身を含む): 1252526176

約数和(自身を除く): 415815859

約数列:

[1, 3, 9, 27, 81, 487, 1461, 4383, 13149, 21211, 39447, 63633, 190899, 572697, 1718091, 10329757, 30989271, 92967813, 278903439, 836710317]

約数ペア:

[(1, 836710317), (3, 278903439), (9, 92967813), (27, 30989271), (81, 10329757), (487, 1718091), (1461, 572697), (4383, 190899), (13149, 63633), (21211, 39447)]