212902245

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{2341}}^1$

素因数の和:2442

約数の個数: 48

約数和(自身を含む): 385811712

約数和(自身を除く): 172909467

約数列:

[1, 3, 5, 9, 15, 43, 45, 47, 129, 141, 215, 235, 387, 423, 645, 705, 1935, 2021, 2115, 2341, 6063, 7023, 10105, 11705, 18189, 21069, 30315, 35115, 90945, 100663, 105345, 110027, 301989, 330081, 503315, 550135, 905967, 990243, 1509945, 1650405, 4529835, 4731161, 4951215, 14193483, 23655805, 42580449, 70967415, 212902245]

約数ペア:

[(1, 212902245), (3, 70967415), (5, 42580449), (9, 23655805), (15, 14193483), (43, 4951215), (45, 4731161), (47, 4529835), (129, 1650405), (141, 1509945), (215, 990243), (235, 905967), (387, 550135), (423, 503315), (645, 330081), (705, 301989), (1935, 110027), (2021, 105345), (2115, 100663), (2341, 90945), (6063, 35115), (7023, 30315), (10105, 21069), (11705, 18189)]