25831449

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{271}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 45826560

約数和(自身を除く): 19995111

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 89, 119, 153, 267, 271, 357, 623, 801, 813, 1071, 1513, 1869, 1897, 2439, 4539, 4607, 5607, 5691, 10591, 13617, 13821, 17073, 24119, 31773, 32249, 41463, 72357, 95319, 96747, 168833, 217071, 290241, 410023, 506499, 1230069, 1519497, 2870161, 3690207, 8610483, 25831449]

約数ペア:

[(1, 25831449), (3, 8610483), (7, 3690207), (9, 2870161), (17, 1519497), (21, 1230069), (51, 506499), (63, 410023), (89, 290241), (119, 217071), (153, 168833), (267, 96747), (271, 95319), (357, 72357), (623, 41463), (801, 32249), (813, 31773), (1071, 24119), (1513, 17073), (1869, 13821), (1897, 13617), (2439, 10591), (4539, 5691), (4607, 5607)]