25405317

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 44478720

約数和(自身を除く): 19073403

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 89, 161, 197, 207, 267, 483, 591, 623, 801, 1379, 1449, 1773, 1869, 2047, 4137, 4531, 5607, 6141, 12411, 13593, 14329, 17533, 18423, 31717, 40779, 42987, 52599, 95151, 122731, 128961, 157797, 285453, 368193, 403259, 1104579, 1209777, 2822813, 3629331, 8468439, 25405317]

約数ペア:

[(1, 25405317), (3, 8468439), (7, 3629331), (9, 2822813), (21, 1209777), (23, 1104579), (63, 403259), (69, 368193), (89, 285453), (161, 157797), (197, 128961), (207, 122731), (267, 95151), (483, 52599), (591, 42987), (623, 40779), (801, 31717), (1379, 18423), (1449, 17533), (1773, 14329), (1869, 13593), (2047, 12411), (4137, 6141), (4531, 5607)]