8905869

素因数分解:

$3^4\times 7^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:271

約数の個数: 40

約数和(自身を含む): 15449280

約数和(自身を除く): 6543411

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 113, 139, 189, 339, 417, 567, 791, 973, 1017, 1251, 2373, 2919, 3051, 3753, 7119, 8757, 9153, 11259, 15707, 21357, 26271, 47121, 64071, 78813, 109949, 141363, 329847, 424089, 989541, 1272267, 2968623, 8905869]

約数ペア:

[(1, 8905869), (3, 2968623), (7, 1272267), (9, 989541), (21, 424089), (27, 329847), (63, 141363), (81, 109949), (113, 78813), (139, 64071), (189, 47121), (339, 26271), (417, 21357), (567, 15707), (791, 11259), (973, 9153), (1017, 8757), (1251, 7119), (2373, 3753), (2919, 3051)]