137903409

素因数分解:

$3^2\times 7^1\times {\mathrm{569}}^1\times {\mathrm{3847}}^1$

素因数の和:4429

約数の個数: 24

約数和(自身を含む): 228109440

約数和(自身を除く): 90206031

約数列:

[1, 3, 7, 9, 21, 63, 569, 1707, 3847, 3983, 5121, 11541, 11949, 26929, 34623, 35847, 80787, 242361, 2188943, 6566829, 15322601, 19700487, 45967803, 137903409]

約数ペア:

[(1, 137903409), (3, 45967803), (7, 19700487), (9, 15322601), (21, 6566829), (63, 2188943), (569, 242361), (1707, 80787), (3847, 35847), (3983, 34623), (5121, 26929), (11541, 11949)]