2528253

素因数分解:

$3^4\times 7^4\times {\mathrm{13}}^1$

素因数の和:53

約数の個数: 50

約数和(自身を含む): 4744894

約数和(自身を除く): 2216641

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 81, 91, 117, 147, 189, 273, 343, 351, 441, 567, 637, 819, 1029, 1053, 1323, 1911, 2401, 2457, 3087, 3969, 4459, 5733, 7203, 7371, 9261, 13377, 17199, 21609, 27783, 31213, 40131, 51597, 64827, 93639, 120393, 194481, 280917, 361179, 842751, 2528253]

約数ペア:

[(1, 2528253), (3, 842751), (7, 361179), (9, 280917), (13, 194481), (21, 120393), (27, 93639), (39, 64827), (49, 51597), (63, 40131), (81, 31213), (91, 27783), (117, 21609), (147, 17199), (189, 13377), (273, 9261), (343, 7371), (351, 7203), (441, 5733), (567, 4459), (637, 3969), (819, 3087), (1029, 2457), (1053, 2401), (1323, 1911)]