51481605

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{787}}^1$

素因数の和:898

約数の個数: 48

約数和(自身を含む): 97018560

約数和(自身を除く): 45536955

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 89, 105, 147, 245, 267, 445, 623, 735, 787, 1335, 1869, 2361, 3115, 3935, 4361, 5509, 9345, 11805, 13083, 16527, 21805, 27545, 38563, 65415, 70043, 82635, 115689, 192815, 210129, 350215, 490301, 578445, 1050645, 1470903, 2451505, 3432107, 7354515, 10296321, 17160535, 51481605]

約数ペア:

[(1, 51481605), (3, 17160535), (5, 10296321), (7, 7354515), (15, 3432107), (21, 2451505), (35, 1470903), (49, 1050645), (89, 578445), (105, 490301), (147, 350215), (245, 210129), (267, 192815), (445, 115689), (623, 82635), (735, 70043), (787, 65415), (1335, 38563), (1869, 27545), (2361, 21805), (3115, 16527), (3935, 13083), (4361, 11805), (5509, 9345)]