40028985

素因数分解:

$3^4\times 5^1\times {\mathrm{98837}}^1$

素因数の和:98854

約数の個数: 20

約数和(自身を含む): 71756388

約数和(自身を除く): 31727403

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 98837, 296511, 494185, 889533, 1482555, 2668599, 4447665, 8005797, 13342995, 40028985]

約数ペア:

[(1, 40028985), (3, 13342995), (5, 8005797), (9, 4447665), (15, 2668599), (27, 1482555), (45, 889533), (81, 494185), (135, 296511), (405, 98837)]