8257665

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:138

約数の個数: 64

約数和(自身を含む): 15676416

約数和(自身を除く): 7418751

約数列:

[1, 3, 5, 13, 15, 17, 39, 47, 51, 53, 65, 85, 141, 159, 195, 221, 235, 255, 265, 611, 663, 689, 705, 795, 799, 901, 1105, 1833, 2067, 2397, 2491, 2703, 3055, 3315, 3445, 3995, 4505, 7473, 9165, 10335, 10387, 11713, 11985, 12455, 13515, 31161, 32383, 35139, 37365, 42347, 51935, 58565, 97149, 127041, 155805, 161915, 175695, 211735, 485745, 550511, 635205, 1651533, 2752555, 8257665]

約数ペア:

[(1, 8257665), (3, 2752555), (5, 1651533), (13, 635205), (15, 550511), (17, 485745), (39, 211735), (47, 175695), (51, 161915), (53, 155805), (65, 127041), (85, 97149), (141, 58565), (159, 51935), (195, 42347), (221, 37365), (235, 35139), (255, 32383), (265, 31161), (611, 13515), (663, 12455), (689, 11985), (705, 11713), (795, 10387), (799, 10335), (901, 9165), (1105, 7473), (1833, 4505), (2067, 3995), (2397, 3445), (2491, 3315), (2703, 3055)]