25402923

素因数分解:

$3^3\times 7^3\times {\mathrm{13}}^1\times {\mathrm{211}}^1$

素因数の和:254

約数の個数: 64

約数和(自身を含む): 47488000

約数和(自身を除く): 22085077

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 91, 117, 147, 189, 211, 273, 343, 351, 441, 633, 637, 819, 1029, 1323, 1477, 1899, 1911, 2457, 2743, 3087, 4431, 4459, 5697, 5733, 8229, 9261, 10339, 13293, 13377, 17199, 19201, 24687, 31017, 39879, 40131, 57603, 72373, 74061, 93051, 120393, 134407, 172809, 217119, 279153, 403221, 518427, 651357, 940849, 1209663, 1954071, 2822547, 3628989, 8467641, 25402923]

約数ペア:

[(1, 25402923), (3, 8467641), (7, 3628989), (9, 2822547), (13, 1954071), (21, 1209663), (27, 940849), (39, 651357), (49, 518427), (63, 403221), (91, 279153), (117, 217119), (147, 172809), (189, 134407), (211, 120393), (273, 93051), (343, 74061), (351, 72373), (441, 57603), (633, 40131), (637, 39879), (819, 31017), (1029, 24687), (1323, 19201), (1477, 17199), (1899, 13377), (1911, 13293), (2457, 10339), (2743, 9261), (3087, 8229), (4431, 5733), (4459, 5697)]