40742715

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{113}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 72509472

約数和(自身を除く): 31766757

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 113, 129, 195, 215, 339, 559, 565, 645, 1469, 1677, 1695, 1849, 2795, 4407, 4859, 5547, 7345, 8385, 9245, 14577, 22035, 24037, 24295, 27735, 63167, 72111, 72885, 120185, 189501, 208937, 315835, 360555, 626811, 947505, 1044685, 2716181, 3134055, 8148543, 13580905, 40742715]

約数ペア:

[(1, 40742715), (3, 13580905), (5, 8148543), (13, 3134055), (15, 2716181), (39, 1044685), (43, 947505), (65, 626811), (113, 360555), (129, 315835), (195, 208937), (215, 189501), (339, 120185), (559, 72885), (565, 72111), (645, 63167), (1469, 27735), (1677, 24295), (1695, 24037), (1849, 22035), (2795, 14577), (4407, 9245), (4859, 8385), (5547, 7345)]