81511605

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{8923}}^1$

素因数の和:8970

約数の個数: 48

約数和(自身を含む): 167057280

約数和(自身を除く): 85545675

約数列:

[1, 3, 5, 7, 9, 15, 21, 29, 35, 45, 63, 87, 105, 145, 203, 261, 315, 435, 609, 1015, 1305, 1827, 3045, 8923, 9135, 26769, 44615, 62461, 80307, 133845, 187383, 258767, 312305, 401535, 562149, 776301, 936915, 1293835, 1811369, 2328903, 2810745, 3881505, 5434107, 9056845, 11644515, 16302321, 27170535, 81511605]

約数ペア:

[(1, 81511605), (3, 27170535), (5, 16302321), (7, 11644515), (9, 9056845), (15, 5434107), (21, 3881505), (29, 2810745), (35, 2328903), (45, 1811369), (63, 1293835), (87, 936915), (105, 776301), (145, 562149), (203, 401535), (261, 312305), (315, 258767), (435, 187383), (609, 133845), (1015, 80307), (1305, 62461), (1827, 44615), (3045, 26769), (8923, 9135)]