17727969

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{283}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 28718080

約数和(自身を除く): 10990111

約数列:

[1, 3, 7, 19, 21, 57, 133, 157, 283, 399, 471, 849, 1099, 1981, 2983, 3297, 5377, 5943, 8949, 16131, 20881, 37639, 44431, 62643, 112917, 133293, 311017, 844189, 933051, 2532567, 5909323, 17727969]

約数ペア:

[(1, 17727969), (3, 5909323), (7, 2532567), (19, 933051), (21, 844189), (57, 311017), (133, 133293), (157, 112917), (283, 62643), (399, 44431), (471, 37639), (849, 20881), (1099, 16131), (1981, 8949), (2983, 5943), (3297, 5377)]