8138325

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{491}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 15374016

約数和(自身を除く): 7235691

約数列:

[1, 3, 5, 13, 15, 17, 25, 39, 51, 65, 75, 85, 195, 221, 255, 325, 425, 491, 663, 975, 1105, 1275, 1473, 2455, 3315, 5525, 6383, 7365, 8347, 12275, 16575, 19149, 25041, 31915, 36825, 41735, 95745, 108511, 125205, 159575, 208675, 325533, 478725, 542555, 626025, 1627665, 2712775, 8138325]

約数ペア:

[(1, 8138325), (3, 2712775), (5, 1627665), (13, 626025), (15, 542555), (17, 478725), (25, 325533), (39, 208675), (51, 159575), (65, 125205), (75, 108511), (85, 95745), (195, 41735), (221, 36825), (255, 31915), (325, 25041), (425, 19149), (491, 16575), (663, 12275), (975, 8347), (1105, 7365), (1275, 6383), (1473, 5525), (2455, 3315)]