247707915

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2039}}^1$

素因数の和:2156

約数の個数: 64

約数和(自身を含む): 493516800

約数和(自身を除く): 245808885

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 89, 91, 105, 195, 267, 273, 445, 455, 623, 1157, 1335, 1365, 1869, 2039, 3115, 3471, 5785, 6117, 8099, 9345, 10195, 14273, 17355, 24297, 26507, 30585, 40495, 42819, 71365, 79521, 121485, 132535, 181471, 185549, 214095, 397605, 544413, 556647, 907355, 927745, 1270297, 2359123, 2722065, 2783235, 3810891, 6351485, 7077369, 11795615, 16513861, 19054455, 35386845, 49541583, 82569305, 247707915]

約数ペア:

[(1, 247707915), (3, 82569305), (5, 49541583), (7, 35386845), (13, 19054455), (15, 16513861), (21, 11795615), (35, 7077369), (39, 6351485), (65, 3810891), (89, 2783235), (91, 2722065), (105, 2359123), (195, 1270297), (267, 927745), (273, 907355), (445, 556647), (455, 544413), (623, 397605), (1157, 214095), (1335, 185549), (1365, 181471), (1869, 132535), (2039, 121485), (3115, 79521), (3471, 71365), (5785, 42819), (6117, 40495), (8099, 30585), (9345, 26507), (10195, 24297), (14273, 17355)]