245629629

素因数分解:

$3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 413337600

約数和(自身を除く): 167707971

約数列:

[1, 3, 7, 9, 21, 63, 137, 149, 191, 411, 447, 573, 959, 1043, 1233, 1337, 1341, 1719, 2877, 3129, 4011, 8631, 9387, 12033, 20413, 26167, 28459, 61239, 78501, 85377, 142891, 183169, 183717, 199213, 235503, 256131, 428673, 549507, 597639, 1286019, 1648521, 1792917, 3898883, 11696649, 27292181, 35089947, 81876543, 245629629]

約数ペア:

[(1, 245629629), (3, 81876543), (7, 35089947), (9, 27292181), (21, 11696649), (63, 3898883), (137, 1792917), (149, 1648521), (191, 1286019), (411, 597639), (447, 549507), (573, 428673), (959, 256131), (1043, 235503), (1233, 199213), (1337, 183717), (1341, 183169), (1719, 142891), (2877, 85377), (3129, 78501), (4011, 61239), (8631, 28459), (9387, 26167), (12033, 20413)]