206581245

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{347}}^1$

素因数の和:482

約数の個数: 64

約数和(自身を含む): 370427904

約数和(自身を除く): 163846659

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 71, 129, 195, 213, 215, 347, 355, 559, 645, 923, 1041, 1065, 1677, 1735, 2769, 2795, 3053, 4511, 4615, 5205, 8385, 9159, 13533, 13845, 14921, 15265, 22555, 24637, 39689, 44763, 45795, 67665, 73911, 74605, 119067, 123185, 193973, 198445, 223815, 320281, 369555, 581919, 595335, 960843, 969865, 1059391, 1601405, 2909595, 3178173, 4804215, 5296955, 13772083, 15890865, 41316249, 68860415, 206581245]

約数ペア:

[(1, 206581245), (3, 68860415), (5, 41316249), (13, 15890865), (15, 13772083), (39, 5296955), (43, 4804215), (65, 3178173), (71, 2909595), (129, 1601405), (195, 1059391), (213, 969865), (215, 960843), (347, 595335), (355, 581919), (559, 369555), (645, 320281), (923, 223815), (1041, 198445), (1065, 193973), (1677, 123185), (1735, 119067), (2769, 74605), (2795, 73911), (3053, 67665), (4511, 45795), (4615, 44763), (5205, 39689), (8385, 24637), (9159, 22555), (13533, 15265), (13845, 14921)]