26690595

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 46683648

約数和(自身を除く): 19993053

約数列:

[1, 3, 5, 15, 17, 47, 51, 85, 131, 141, 235, 255, 289, 393, 655, 705, 799, 867, 1445, 1965, 2227, 2397, 3995, 4335, 6157, 6681, 11135, 11985, 13583, 18471, 30785, 33405, 37859, 40749, 67915, 92355, 104669, 113577, 189295, 203745, 314007, 523345, 567885, 1570035, 1779373, 5338119, 8896865, 26690595]

約数ペア:

[(1, 26690595), (3, 8896865), (5, 5338119), (15, 1779373), (17, 1570035), (47, 567885), (51, 523345), (85, 314007), (131, 203745), (141, 189295), (235, 113577), (255, 104669), (289, 92355), (393, 67915), (655, 40749), (705, 37859), (799, 33405), (867, 30785), (1445, 18471), (1965, 13583), (2227, 11985), (2397, 11135), (3995, 6681), (4335, 6157)]