87871455

素因数分解:

$3^2\times 5^1\times 7^3\times {\mathrm{5693}}^1$

素因数の和:5725

約数の個数: 48

約数和(自身を含む): 177652800

約数和(自身を除く): 89781345

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 343, 441, 735, 1029, 1715, 2205, 3087, 5145, 5693, 15435, 17079, 28465, 39851, 51237, 85395, 119553, 199255, 256185, 278957, 358659, 597765, 836871, 1394785, 1793295, 1952699, 2510613, 4184355, 5858097, 9763495, 12553065, 17574291, 29290485, 87871455]

約数ペア:

[(1, 87871455), (3, 29290485), (5, 17574291), (7, 12553065), (9, 9763495), (15, 5858097), (21, 4184355), (35, 2510613), (45, 1952699), (49, 1793295), (63, 1394785), (105, 836871), (147, 597765), (245, 358659), (315, 278957), (343, 256185), (441, 199255), (735, 119553), (1029, 85395), (1715, 51237), (2205, 39851), (3087, 28465), (5145, 17079), (5693, 15435)]