290418933

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{103981}}^1$

素因数の和:104017

約数の個数: 24

約数和(自身を含む): 474157920

約数和(自身を除く): 183738987

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 103981, 311943, 727867, 1975639, 2183601, 5095069, 5926917, 13829473, 15285207, 41488419, 96806311, 290418933]

約数ペア:

[(1, 290418933), (3, 96806311), (7, 41488419), (19, 15285207), (21, 13829473), (49, 5926917), (57, 5095069), (133, 2183601), (147, 1975639), (399, 727867), (931, 311943), (2793, 103981)]