1490454981

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{27847}}^1$

素因数の和:28185

約数の個数: 24

約数和(自身を含む): 2273510720

約数和(自身を除く): 783055739

約数列:

[1, 3, 9, 19, 57, 171, 313, 939, 2817, 5947, 17841, 27847, 53523, 83541, 250623, 529093, 1587279, 4761837, 8716111, 26148333, 78444999, 165606109, 496818327, 1490454981]

約数ペア:

[(1, 1490454981), (3, 496818327), (9, 165606109), (19, 78444999), (57, 26148333), (171, 8716111), (313, 4761837), (939, 1587279), (2817, 529093), (5947, 250623), (17841, 83541), (27847, 53523)]