15636855

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:180

約数の個数: 64

約数和(自身を含む): 29393280

約数和(自身を除く): 13756425

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 53, 65, 85, 89, 159, 195, 221, 255, 265, 267, 445, 663, 689, 795, 901, 1105, 1157, 1335, 1513, 2067, 2703, 3315, 3445, 3471, 4505, 4539, 4717, 5785, 7565, 10335, 11713, 13515, 14151, 17355, 19669, 22695, 23585, 35139, 58565, 59007, 61321, 70755, 80189, 98345, 175695, 183963, 240567, 295035, 306605, 400945, 919815, 1042457, 1202835, 3127371, 5212285, 15636855]

約数ペア:

[(1, 15636855), (3, 5212285), (5, 3127371), (13, 1202835), (15, 1042457), (17, 919815), (39, 400945), (51, 306605), (53, 295035), (65, 240567), (85, 183963), (89, 175695), (159, 98345), (195, 80189), (221, 70755), (255, 61321), (265, 59007), (267, 58565), (445, 35139), (663, 23585), (689, 22695), (795, 19669), (901, 17355), (1105, 14151), (1157, 13515), (1335, 11713), (1513, 10335), (2067, 7565), (2703, 5785), (3315, 4717), (3445, 4539), (3471, 4505)]