1977321

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{283}}^1$

素因数の和:440

約数の個数: 16

約数和(自身を含む): 2821824

約数和(自身を除く): 844503

約数列:

[1, 3, 17, 51, 137, 283, 411, 849, 2329, 4811, 6987, 14433, 38771, 116313, 659107, 1977321]

約数ペア:

[(1, 1977321), (3, 659107), (17, 116313), (51, 38771), (137, 14433), (283, 6987), (411, 4811), (849, 2329)]