3420873

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{269}}^1$

素因数の和:438

約数の個数: 20

約数和(自身を含む): 5161860

約数和(自身を除く): 1740987

約数列:

[1, 3, 9, 27, 81, 157, 269, 471, 807, 1413, 2421, 4239, 7263, 12717, 21789, 42233, 126699, 380097, 1140291, 3420873]

約数ペア:

[(1, 3420873), (3, 1140291), (9, 380097), (27, 126699), (81, 42233), (157, 21789), (269, 12717), (471, 7263), (807, 4239), (1413, 2421)]