427372281

素因数分解:

$3^4\times 7^1\times {\mathrm{753743}}^1$

素因数の和:753762

約数の個数: 20

約数和(自身を含む): 729624192

約数和(自身を除く): 302251911

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 753743, 2261229, 5276201, 6783687, 15828603, 20351061, 47485809, 61053183, 142457427, 427372281]

約数ペア:

[(1, 427372281), (3, 142457427), (7, 61053183), (9, 47485809), (21, 20351061), (27, 15828603), (63, 6783687), (81, 5276201), (189, 2261229), (567, 753743)]