321246

素因数分解:

$2^1\times 3^5\times {\mathrm{661}}^1$

素因数の和:678

約数の個数: 24

約数和(自身を含む): 722904

約数和(自身を除く): 401658

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 661, 1322, 1983, 3966, 5949, 11898, 17847, 35694, 53541, 107082, 160623, 321246]

約数ペア:

[(1, 321246), (2, 160623), (3, 107082), (6, 53541), (9, 35694), (18, 17847), (27, 11898), (54, 5949), (81, 3966), (162, 1983), (243, 1322), (486, 661)]