26590005

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:275

約数の個数: 64

約数和(自身を含む): 51744000

約数和(自身を除く): 25153995

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 109, 117, 135, 139, 195, 327, 351, 417, 545, 585, 695, 981, 1251, 1417, 1635, 1755, 1807, 2085, 2943, 3753, 4251, 4905, 5421, 6255, 7085, 9035, 12753, 14715, 15151, 16263, 18765, 21255, 27105, 38259, 45453, 48789, 63765, 75755, 81315, 136359, 191295, 196963, 227265, 243945, 409077, 590889, 681795, 984815, 1772667, 2045385, 2954445, 5318001, 8863335, 26590005]

約数ペア:

[(1, 26590005), (3, 8863335), (5, 5318001), (9, 2954445), (13, 2045385), (15, 1772667), (27, 984815), (39, 681795), (45, 590889), (65, 409077), (109, 243945), (117, 227265), (135, 196963), (139, 191295), (195, 136359), (327, 81315), (351, 75755), (417, 63765), (545, 48789), (585, 45453), (695, 38259), (981, 27105), (1251, 21255), (1417, 18765), (1635, 16263), (1755, 15151), (1807, 14715), (2085, 12753), (2943, 9035), (3753, 7085), (4251, 6255), (4905, 5421)]