8217885

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:142

約数の個数: 64

約数和(自身を含む): 15628032

約数和(自身を除く): 7410147

約数列:

[1, 3, 5, 13, 15, 17, 37, 39, 51, 65, 67, 85, 111, 185, 195, 201, 221, 255, 335, 481, 555, 629, 663, 871, 1005, 1105, 1139, 1443, 1887, 2405, 2479, 2613, 3145, 3315, 3417, 4355, 5695, 7215, 7437, 8177, 9435, 12395, 13065, 14807, 17085, 24531, 32227, 37185, 40885, 42143, 44421, 74035, 96681, 122655, 126429, 161135, 210715, 222105, 483405, 547859, 632145, 1643577, 2739295, 8217885]

約数ペア:

[(1, 8217885), (3, 2739295), (5, 1643577), (13, 632145), (15, 547859), (17, 483405), (37, 222105), (39, 210715), (51, 161135), (65, 126429), (67, 122655), (85, 96681), (111, 74035), (185, 44421), (195, 42143), (201, 40885), (221, 37185), (255, 32227), (335, 24531), (481, 17085), (555, 14807), (629, 13065), (663, 12395), (871, 9435), (1005, 8177), (1105, 7437), (1139, 7215), (1443, 5695), (1887, 4355), (2405, 3417), (2479, 3315), (2613, 3145)]