201490905

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{4057}}^1$

素因数の和:4126

約数の個数: 64

約数和(自身を含む): 411383808

約数和(自身を除く): 209892903

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 43, 55, 77, 105, 129, 165, 215, 231, 301, 385, 473, 645, 903, 1155, 1419, 1505, 2365, 3311, 4057, 4515, 7095, 9933, 12171, 16555, 20285, 28399, 44627, 49665, 60855, 85197, 133881, 141995, 174451, 223135, 312389, 425985, 523353, 669405, 872255, 937167, 1221157, 1561945, 1918961, 2616765, 3663471, 4685835, 5756883, 6105785, 9594805, 13432727, 18317355, 28784415, 40298181, 67163635, 201490905]

約数ペア:

[(1, 201490905), (3, 67163635), (5, 40298181), (7, 28784415), (11, 18317355), (15, 13432727), (21, 9594805), (33, 6105785), (35, 5756883), (43, 4685835), (55, 3663471), (77, 2616765), (105, 1918961), (129, 1561945), (165, 1221157), (215, 937167), (231, 872255), (301, 669405), (385, 523353), (473, 425985), (645, 312389), (903, 223135), (1155, 174451), (1419, 141995), (1505, 133881), (2365, 85197), (3311, 60855), (4057, 49665), (4515, 44627), (7095, 28399), (9933, 20285), (12171, 16555)]