68951745

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{521}}^1$

素因数の和:722

約数の個数: 48

約数和(自身を含む): 127522512

約数和(自身を除く): 58570767

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 173, 255, 519, 521, 765, 865, 1557, 1563, 2595, 2605, 2941, 4689, 7785, 7815, 8823, 8857, 14705, 23445, 26469, 26571, 44115, 44285, 79713, 90133, 132345, 132855, 270399, 398565, 450665, 811197, 1351995, 1532261, 4055985, 4596783, 7661305, 13790349, 22983915, 68951745]

約数ペア:

[(1, 68951745), (3, 22983915), (5, 13790349), (9, 7661305), (15, 4596783), (17, 4055985), (45, 1532261), (51, 1351995), (85, 811197), (153, 450665), (173, 398565), (255, 270399), (519, 132855), (521, 132345), (765, 90133), (865, 79713), (1557, 44285), (1563, 44115), (2595, 26571), (2605, 26469), (2941, 23445), (4689, 14705), (7785, 8857), (7815, 8823)]