291278943

素因数分解:

$3^3\times {\mathrm{1993}}^1\times {\mathrm{5413}}^1$

素因数の和:7415

約数の個数: 16

約数和(自身を含む): 431820640

約数和(自身を除く): 140541697

約数列:

[1, 3, 9, 27, 1993, 5413, 5979, 16239, 17937, 48717, 53811, 146151, 10788109, 32364327, 97092981, 291278943]

約数ペア:

[(1, 291278943), (3, 97092981), (9, 32364327), (27, 10788109), (1993, 146151), (5413, 53811), (5979, 48717), (16239, 17937)]