84879981

素因数分解:

$3^4\times {\mathrm{457}}^1\times {\mathrm{2293}}^1$

素因数の和:2762

約数の個数: 20

約数和(自身を含む): 127128892

約数和(自身を除く): 42248911

約数列:

[1, 3, 9, 27, 81, 457, 1371, 2293, 4113, 6879, 12339, 20637, 37017, 61911, 185733, 1047901, 3143703, 9431109, 28293327, 84879981]

約数ペア:

[(1, 84879981), (3, 28293327), (9, 9431109), (27, 3143703), (81, 1047901), (457, 185733), (1371, 61911), (2293, 37017), (4113, 20637), (6879, 12339)]