206580855

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{617}}^1$

素因数の和:756

約数の個数: 64

約数和(自身を含む): 381241728

約数和(自身を除く): 174660873

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 101, 195, 221, 255, 303, 505, 617, 663, 1105, 1313, 1515, 1717, 1851, 3085, 3315, 3939, 5151, 6565, 8021, 8585, 9255, 10489, 19695, 22321, 24063, 25755, 31467, 40105, 52445, 62317, 66963, 111605, 120315, 136357, 157335, 186951, 311585, 334815, 409071, 681785, 810121, 934755, 1059389, 2045355, 2430363, 3178167, 4050605, 5296945, 12151815, 13772057, 15890835, 41316171, 68860285, 206580855]

約数ペア:

[(1, 206580855), (3, 68860285), (5, 41316171), (13, 15890835), (15, 13772057), (17, 12151815), (39, 5296945), (51, 4050605), (65, 3178167), (85, 2430363), (101, 2045355), (195, 1059389), (221, 934755), (255, 810121), (303, 681785), (505, 409071), (617, 334815), (663, 311585), (1105, 186951), (1313, 157335), (1515, 136357), (1717, 120315), (1851, 111605), (3085, 66963), (3315, 62317), (3939, 52445), (5151, 40105), (6565, 31467), (8021, 25755), (8585, 24063), (9255, 22321), (10489, 19695)]