201810987

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{28859}}^1$

素因数の和:28912

約数の個数: 32

約数和(自身を含む): 350937600

約数和(自身を除く): 149126613

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 111, 189, 259, 333, 777, 999, 2331, 6993, 28859, 86577, 202013, 259731, 606039, 779193, 1067783, 1818117, 3203349, 5454351, 7474481, 9610047, 22423443, 28830141, 67270329, 201810987]

約数ペア:

[(1, 201810987), (3, 67270329), (7, 28830141), (9, 22423443), (21, 9610047), (27, 7474481), (37, 5454351), (63, 3203349), (111, 1818117), (189, 1067783), (259, 779193), (333, 606039), (777, 259731), (999, 202013), (2331, 86577), (6993, 28859)]