67221819

素因数分解:

$3^7\times 7^1\times {\mathrm{4391}}^1$

素因数の和:4419

約数の個数: 32

約数和(自身を含む): 115246080

約数和(自身を除く): 48024261

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 2187, 4391, 5103, 13173, 15309, 30737, 39519, 92211, 118557, 276633, 355671, 829899, 1067013, 2489697, 3201039, 7469091, 9603117, 22407273, 67221819]

約数ペア:

[(1, 67221819), (3, 22407273), (7, 9603117), (9, 7469091), (21, 3201039), (27, 2489697), (63, 1067013), (81, 829899), (189, 355671), (243, 276633), (567, 118557), (729, 92211), (1701, 39519), (2187, 30737), (4391, 15309), (5103, 13173)]