30138381

素因数分解:

$3^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{751}}^1$

素因数の和:791

約数の個数: 48

約数和(自身を含む): 54745600

約数和(自身を除く): 24607219

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 273, 343, 441, 637, 751, 819, 1029, 1911, 2253, 3087, 4459, 5257, 5733, 6759, 9763, 13377, 15771, 29289, 36799, 40131, 47313, 68341, 87867, 110397, 205023, 257593, 331191, 478387, 615069, 772779, 1435161, 2318337, 3348709, 4305483, 10046127, 30138381]

約数ペア:

[(1, 30138381), (3, 10046127), (7, 4305483), (9, 3348709), (13, 2318337), (21, 1435161), (39, 772779), (49, 615069), (63, 478387), (91, 331191), (117, 257593), (147, 205023), (273, 110397), (343, 87867), (441, 68341), (637, 47313), (751, 40131), (819, 36799), (1029, 29289), (1911, 15771), (2253, 13377), (3087, 9763), (4459, 6759), (5257, 5733)]