2430405

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{353}}^1$

素因数の和:387

約数の個数: 40

約数和(自身を含む): 4626072

約数和(自身を除く): 2195667

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 353, 405, 459, 765, 1059, 1377, 1765, 2295, 3177, 5295, 6001, 6885, 9531, 15885, 18003, 28593, 30005, 47655, 54009, 90015, 142965, 162027, 270045, 486081, 810135, 2430405]

約数ペア:

[(1, 2430405), (3, 810135), (5, 486081), (9, 270045), (15, 162027), (17, 142965), (27, 90015), (45, 54009), (51, 47655), (81, 30005), (85, 28593), (135, 18003), (153, 15885), (255, 9531), (353, 6885), (405, 6001), (459, 5295), (765, 3177), (1059, 2295), (1377, 1765)]