27984975

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{467}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 50139648

約数和(自身を除く): 22154673

約数列:

[1, 3, 5, 15, 17, 25, 47, 51, 75, 85, 141, 235, 255, 425, 467, 705, 799, 1175, 1275, 1401, 2335, 2397, 3525, 3995, 7005, 7939, 11675, 11985, 19975, 21949, 23817, 35025, 39695, 59925, 65847, 109745, 119085, 198475, 329235, 373133, 548725, 595425, 1119399, 1646175, 1865665, 5596995, 9328325, 27984975]

約数ペア:

[(1, 27984975), (3, 9328325), (5, 5596995), (15, 1865665), (17, 1646175), (25, 1119399), (47, 595425), (51, 548725), (75, 373133), (85, 329235), (141, 198475), (235, 119085), (255, 109745), (425, 65847), (467, 59925), (705, 39695), (799, 35025), (1175, 23817), (1275, 21949), (1401, 19975), (2335, 11985), (2397, 11675), (3525, 7939), (3995, 7005)]