28405299

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31667}}^1$

素因数の和:31706

約数の個数: 16

約数和(自身を含む): 42561792

約数和(自身を除く): 14156493

約数列:

[1, 3, 13, 23, 39, 69, 299, 897, 31667, 95001, 411671, 728341, 1235013, 2185023, 9468433, 28405299]

約数ペア:

[(1, 28405299), (3, 9468433), (13, 2185023), (23, 1235013), (39, 728341), (69, 411671), (299, 95001), (897, 31667)]