200720997

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{130423}}^1$

素因数の和:130454

約数の個数: 20

約数和(自身を含む): 315626080

約数和(自身を除く): 114905083

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 130423, 391269, 1173807, 2478037, 3521421, 7434111, 10564263, 22302333, 66906999, 200720997]

約数ペア:

[(1, 200720997), (3, 66906999), (9, 22302333), (19, 10564263), (27, 7434111), (57, 3521421), (81, 2478037), (171, 1173807), (513, 391269), (1539, 130423)]