38178945

素因数分解:

$3^5\times 5^1\times 7^1\times {\mathrm{67}}^2$

素因数の和:161

約数の個数: 72

約数和(自身を含む): 79619904

約数和(自身を除く): 41440959

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 67, 81, 105, 135, 189, 201, 243, 315, 335, 405, 469, 567, 603, 945, 1005, 1215, 1407, 1701, 1809, 2345, 2835, 3015, 4221, 4489, 5427, 7035, 8505, 9045, 12663, 13467, 16281, 21105, 22445, 27135, 31423, 37989, 40401, 63315, 67335, 81405, 94269, 113967, 121203, 157115, 189945, 202005, 282807, 363609, 471345, 569835, 606015, 848421, 1090827, 1414035, 1818045, 2545263, 4242105, 5454135, 7635789, 12726315, 38178945]

約数ペア:

[(1, 38178945), (3, 12726315), (5, 7635789), (7, 5454135), (9, 4242105), (15, 2545263), (21, 1818045), (27, 1414035), (35, 1090827), (45, 848421), (63, 606015), (67, 569835), (81, 471345), (105, 363609), (135, 282807), (189, 202005), (201, 189945), (243, 157115), (315, 121203), (335, 113967), (405, 94269), (469, 81405), (567, 67335), (603, 63315), (945, 40401), (1005, 37989), (1215, 31423), (1407, 27135), (1701, 22445), (1809, 21105), (2345, 16281), (2835, 13467), (3015, 12663), (4221, 9045), (4489, 8505), (5427, 7035)]