201530889

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{443}}^1$

素因数の和:571

約数の個数: 64

約数和(自身を含む): 358041600

約数和(自身を除く): 156510711

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 83, 87, 189, 203, 249, 261, 443, 581, 609, 747, 783, 1329, 1743, 1827, 2241, 2407, 3101, 3987, 5229, 5481, 7221, 9303, 11961, 12847, 15687, 16849, 21663, 27909, 36769, 38541, 50547, 64989, 83727, 89929, 110307, 115623, 151641, 257383, 269787, 330921, 346869, 454923, 772149, 809361, 992763, 1066301, 2316447, 2428083, 3198903, 6949341, 7464107, 9596709, 22392321, 28790127, 67176963, 201530889]

約数ペア:

[(1, 201530889), (3, 67176963), (7, 28790127), (9, 22392321), (21, 9596709), (27, 7464107), (29, 6949341), (63, 3198903), (83, 2428083), (87, 2316447), (189, 1066301), (203, 992763), (249, 809361), (261, 772149), (443, 454923), (581, 346869), (609, 330921), (747, 269787), (783, 257383), (1329, 151641), (1743, 115623), (1827, 110307), (2241, 89929), (2407, 83727), (3101, 64989), (3987, 50547), (5229, 38541), (5481, 36769), (7221, 27909), (9303, 21663), (11961, 16849), (12847, 15687)]