202989321

素因数分解:

$3^6\times {\mathrm{307}}^1\times {\mathrm{907}}^1$

素因数の和:1232

約数の個数: 28

約数和(自身を含む): 305672752

約数和(自身を除く): 102683431

約数列:

[1, 3, 9, 27, 81, 243, 307, 729, 907, 921, 2721, 2763, 8163, 8289, 24489, 24867, 73467, 74601, 220401, 223803, 278449, 661203, 835347, 2506041, 7518123, 22554369, 67663107, 202989321]

約数ペア:

[(1, 202989321), (3, 67663107), (9, 22554369), (27, 7518123), (81, 2506041), (243, 835347), (307, 661203), (729, 278449), (907, 223803), (921, 220401), (2721, 74601), (2763, 73467), (8163, 24867), (8289, 24489)]