201213615

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{2521}}^1$

素因数の和:2859

約数の個数: 32

約数和(自身を含む): 342104256

約数和(自身を除く): 140890641

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 313, 939, 1565, 2521, 4695, 5321, 7563, 12605, 15963, 26605, 37815, 42857, 79815, 128571, 214285, 642855, 789073, 2367219, 3945365, 11836095, 13414241, 40242723, 67071205, 201213615]

約数ペア:

[(1, 201213615), (3, 67071205), (5, 40242723), (15, 13414241), (17, 11836095), (51, 3945365), (85, 2367219), (255, 789073), (313, 642855), (939, 214285), (1565, 128571), (2521, 79815), (4695, 42857), (5321, 37815), (7563, 26605), (12605, 15963)]