66438975

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{487}}^1$

素因数の和:624

約数の個数: 48

約数和(自身を含む): 117635328

約数和(自身を除く): 51196353

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 107, 255, 321, 425, 487, 535, 1275, 1461, 1605, 1819, 2435, 2675, 5457, 7305, 8025, 8279, 9095, 12175, 24837, 27285, 36525, 41395, 45475, 52109, 124185, 136425, 156327, 206975, 260545, 620925, 781635, 885853, 1302725, 2657559, 3908175, 4429265, 13287795, 22146325, 66438975]

約数ペア:

[(1, 66438975), (3, 22146325), (5, 13287795), (15, 4429265), (17, 3908175), (25, 2657559), (51, 1302725), (75, 885853), (85, 781635), (107, 620925), (255, 260545), (321, 206975), (425, 156327), (487, 136425), (535, 124185), (1275, 52109), (1461, 45475), (1605, 41395), (1819, 36525), (2435, 27285), (2675, 24837), (5457, 12175), (7305, 9095), (8025, 8279)]