29990805

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:230

約数の個数: 64

約数和(自身を含む): 55883520

約数和(自身を除く): 25892715

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 83, 85, 109, 195, 221, 249, 255, 327, 415, 545, 663, 1079, 1105, 1245, 1411, 1417, 1635, 1853, 3237, 3315, 4233, 4251, 5395, 5559, 7055, 7085, 9047, 9265, 16185, 18343, 21165, 21255, 24089, 27141, 27795, 45235, 55029, 72267, 91715, 117611, 120445, 135705, 153799, 275145, 352833, 361335, 461397, 588055, 768995, 1764165, 1999387, 2306985, 5998161, 9996935, 29990805]

約数ペア:

[(1, 29990805), (3, 9996935), (5, 5998161), (13, 2306985), (15, 1999387), (17, 1764165), (39, 768995), (51, 588055), (65, 461397), (83, 361335), (85, 352833), (109, 275145), (195, 153799), (221, 135705), (249, 120445), (255, 117611), (327, 91715), (415, 72267), (545, 55029), (663, 45235), (1079, 27795), (1105, 27141), (1245, 24089), (1411, 21255), (1417, 21165), (1635, 18343), (1853, 16185), (3237, 9265), (3315, 9047), (4233, 7085), (4251, 7055), (5395, 5559)]