31663359

素因数分解:

$3^3\times 7^3\times {\mathrm{13}}^1\times {\mathrm{263}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 59136000

約数和(自身を除く): 27472641

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 91, 117, 147, 189, 263, 273, 343, 351, 441, 637, 789, 819, 1029, 1323, 1841, 1911, 2367, 2457, 3087, 3419, 4459, 5523, 5733, 7101, 9261, 10257, 12887, 13377, 16569, 17199, 23933, 30771, 38661, 40131, 49707, 71799, 90209, 92313, 115983, 120393, 167531, 215397, 270627, 347949, 502593, 646191, 811881, 1172717, 1507779, 2435643, 3518151, 4523337, 10554453, 31663359]

約数ペア:

[(1, 31663359), (3, 10554453), (7, 4523337), (9, 3518151), (13, 2435643), (21, 1507779), (27, 1172717), (39, 811881), (49, 646191), (63, 502593), (91, 347949), (117, 270627), (147, 215397), (189, 167531), (263, 120393), (273, 115983), (343, 92313), (351, 90209), (441, 71799), (637, 49707), (789, 40131), (819, 38661), (1029, 30771), (1323, 23933), (1841, 17199), (1911, 16569), (2367, 13377), (2457, 12887), (3087, 10257), (3419, 9261), (4459, 7101), (5523, 5733)]