18010251

素因数分解:

$3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2251}}^1$

素因数の和:2391

約数の個数: 24

約数和(自身を含む): 29978624

約数和(自身を除く): 11968373

約数列:

[1, 3, 7, 9, 21, 63, 127, 381, 889, 1143, 2251, 2667, 6753, 8001, 15757, 20259, 47271, 141813, 285877, 857631, 2001139, 2572893, 6003417, 18010251]

約数ペア:

[(1, 18010251), (3, 6003417), (7, 2572893), (9, 2001139), (21, 857631), (63, 285877), (127, 141813), (381, 47271), (889, 20259), (1143, 15757), (2251, 8001), (2667, 6753)]