30807621

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1721}}^1$

素因数の和:1763

約数の個数: 40

約数和(自身を含む): 52507224

約数和(自身を除く): 21699603

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 81, 117, 153, 221, 351, 459, 663, 1053, 1377, 1721, 1989, 5163, 5967, 15489, 17901, 22373, 29257, 46467, 67119, 87771, 139401, 201357, 263313, 380341, 604071, 789939, 1141023, 1812213, 2369817, 3423069, 10269207, 30807621]

約数ペア:

[(1, 30807621), (3, 10269207), (9, 3423069), (13, 2369817), (17, 1812213), (27, 1141023), (39, 789939), (51, 604071), (81, 380341), (117, 263313), (153, 201357), (221, 139401), (351, 87771), (459, 67119), (663, 46467), (1053, 29257), (1377, 22373), (1721, 17901), (1989, 15489), (5163, 5967)]