67621815

素因数分解:

$3^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{3863}}^1$

素因数の和:4263

約数の個数: 24

約数和(自身を含む): 117542880

約数和(自身を除く): 49921065

約数列:

[1, 3, 5, 9, 15, 45, 389, 1167, 1945, 3501, 3863, 5835, 11589, 17505, 19315, 34767, 57945, 173835, 1502707, 4508121, 7513535, 13524363, 22540605, 67621815]

約数ペア:

[(1, 67621815), (3, 22540605), (5, 13524363), (9, 7513535), (15, 4508121), (45, 1502707), (389, 173835), (1167, 57945), (1945, 34767), (3501, 19315), (3863, 17505), (5835, 11589)]