209890329

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{28019}}^1$

素因数の和:28260

約数の個数: 16

約数和(自身を含む): 306650880

約数和(自身を除く): 96760551

約数列:

[1, 3, 11, 33, 227, 681, 2497, 7491, 28019, 84057, 308209, 924627, 6360313, 19080939, 69963443, 209890329]

約数ペア:

[(1, 209890329), (3, 69963443), (11, 19080939), (33, 6360313), (227, 924627), (681, 308209), (2497, 84057), (7491, 28019)]