678359529

素因数分解:

$3^5\times {\mathrm{43}}^1\times {\mathrm{64921}}^1$

素因数の和:64979

約数の個数: 24

約数和(自身を含む): 1039790752

約数和(自身を除く): 361431223

約数列:

[1, 3, 9, 27, 43, 81, 129, 243, 387, 1161, 3483, 10449, 64921, 194763, 584289, 1752867, 2791603, 5258601, 8374809, 15775803, 25124427, 75373281, 226119843, 678359529]

約数ペア:

[(1, 678359529), (3, 226119843), (9, 75373281), (27, 25124427), (43, 15775803), (81, 8374809), (129, 5258601), (243, 2791603), (387, 1752867), (1161, 584289), (3483, 194763), (10449, 64921)]