25719309

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:255

約数の個数: 64

約数和(自身を含む): 48384000

約数和(自身を除く): 22664691

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 89, 99, 139, 189, 231, 267, 297, 417, 623, 693, 801, 973, 979, 1251, 1529, 1869, 2079, 2403, 2919, 2937, 3753, 4587, 5607, 6853, 8757, 8811, 10703, 12371, 13761, 16821, 20559, 26271, 26433, 32109, 37113, 41283, 61677, 86597, 96327, 111339, 136081, 185031, 259791, 288981, 334017, 408243, 779373, 952567, 1224729, 2338119, 2857701, 3674187, 8573103, 25719309]

約数ペア:

[(1, 25719309), (3, 8573103), (7, 3674187), (9, 2857701), (11, 2338119), (21, 1224729), (27, 952567), (33, 779373), (63, 408243), (77, 334017), (89, 288981), (99, 259791), (139, 185031), (189, 136081), (231, 111339), (267, 96327), (297, 86597), (417, 61677), (623, 41283), (693, 37113), (801, 32109), (973, 26433), (979, 26271), (1251, 20559), (1529, 16821), (1869, 13761), (2079, 12371), (2403, 10703), (2919, 8811), (2937, 8757), (3753, 6853), (4587, 5607)]