26197605

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{109}}^2$

素因数の和:243

約数の個数: 54

約数和(自身を含む): 53311986

約数和(自身を除く): 27114381

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 109, 147, 245, 315, 327, 441, 545, 735, 763, 981, 1635, 2205, 2289, 3815, 4905, 5341, 6867, 11445, 11881, 16023, 26705, 34335, 35643, 48069, 59405, 80115, 83167, 106929, 178215, 240345, 249501, 415835, 534645, 582169, 748503, 1247505, 1746507, 2910845, 3742515, 5239521, 8732535, 26197605]

約数ペア:

[(1, 26197605), (3, 8732535), (5, 5239521), (7, 3742515), (9, 2910845), (15, 1746507), (21, 1247505), (35, 748503), (45, 582169), (49, 534645), (63, 415835), (105, 249501), (109, 240345), (147, 178215), (245, 106929), (315, 83167), (327, 80115), (441, 59405), (545, 48069), (735, 35643), (763, 34335), (981, 26705), (1635, 16023), (2205, 11881), (2289, 11445), (3815, 6867), (4905, 5341)]