17697771

素因数分解:

$3^4\times 7^5\times {\mathrm{13}}^1$

素因数の和:60

約数の個数: 60

約数和(自身を含む): 33215952

約数和(自身を除く): 15518181

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, 16807, 17199, 21609, 27783, 31213, 40131, 50421, 51597, 64827, 93639, 120393, 151263, 194481, 218491, 280917, 361179, 453789, 655473, 842751, 1361367, 1966419, 2528253, 5899257, 17697771]

約数ペア:

[(1, 17697771), (3, 5899257), (7, 2528253), (9, 1966419), (13, 1361367), (21, 842751), (27, 655473), (39, 453789), (49, 361179), (63, 280917), (81, 218491), (91, 194481), (117, 151263), (147, 120393), (189, 93639), (273, 64827), (343, 51597), (351, 50421), (441, 40131), (567, 31213), (637, 27783), (819, 21609), (1029, 17199), (1053, 16807), (1323, 13377), (1911, 9261), (2401, 7371), (2457, 7203), (3087, 5733), (3969, 4459)]