72121833

素因数分解:

$3^4\times 7^1\times {\mathrm{311}}^1\times {\mathrm{409}}^1$

素因数の和:739

約数の個数: 40

約数和(自身を含む): 123826560

約数和(自身を除く): 51704727

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 311, 409, 567, 933, 1227, 2177, 2799, 2863, 3681, 6531, 8397, 8589, 11043, 19593, 25191, 25767, 33129, 58779, 77301, 127199, 176337, 231903, 381597, 890393, 1144791, 2671179, 3434373, 8013537, 10303119, 24040611, 72121833]

約数ペア:

[(1, 72121833), (3, 24040611), (7, 10303119), (9, 8013537), (21, 3434373), (27, 2671179), (63, 1144791), (81, 890393), (189, 381597), (311, 231903), (409, 176337), (567, 127199), (933, 77301), (1227, 58779), (2177, 33129), (2799, 25767), (2863, 25191), (3681, 19593), (6531, 11043), (8397, 8589)]