206561961

素因数分解:

$3^3\times {\mathrm{577}}^1\times {\mathrm{13259}}^1$

素因数の和:13845

約数の個数: 16

約数和(自身を含む): 306571200

約数和(自身を除く): 100009239

約数列:

[1, 3, 9, 27, 577, 1731, 5193, 13259, 15579, 39777, 119331, 357993, 7650443, 22951329, 68853987, 206561961]

約数ペア:

[(1, 206561961), (3, 68853987), (9, 22951329), (27, 7650443), (577, 357993), (1731, 119331), (5193, 39777), (13259, 15579)]