18456417

素因数分解:

$3^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{757}}^1$

素因数の和:819

約数の個数: 40

約数和(自身を含む): 32284736

約数和(自身を除く): 13828319

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 81, 129, 189, 301, 387, 567, 757, 903, 1161, 2271, 2709, 3483, 5299, 6813, 8127, 15897, 20439, 24381, 32551, 47691, 61317, 97653, 143073, 227857, 292959, 429219, 683571, 878877, 2050713, 2636631, 6152139, 18456417]

約数ペア:

[(1, 18456417), (3, 6152139), (7, 2636631), (9, 2050713), (21, 878877), (27, 683571), (43, 429219), (63, 292959), (81, 227857), (129, 143073), (189, 97653), (301, 61317), (387, 47691), (567, 32551), (757, 24381), (903, 20439), (1161, 15897), (2271, 8127), (2709, 6813), (3483, 5299)]