747405

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{977}}^1$

素因数の和:1005

約数の個数: 24

約数和(自身を含む): 1373112

約数和(自身を除く): 625707

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 977, 2931, 4885, 8793, 14655, 16609, 43965, 49827, 83045, 149481, 249135, 747405]

約数ペア:

[(1, 747405), (3, 249135), (5, 149481), (9, 83045), (15, 49827), (17, 43965), (45, 16609), (51, 14655), (85, 8793), (153, 4885), (255, 2931), (765, 977)]