7145523

素因数分解:

$3^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{491}}^1$

素因数の和:525

約数の個数: 48

約数和(自身を含む): 13461120

約数和(自身を除く): 6315597

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 49, 63, 77, 99, 147, 189, 231, 297, 441, 491, 539, 693, 1323, 1473, 1617, 2079, 3437, 4419, 4851, 5401, 10311, 13257, 14553, 16203, 24059, 30933, 37807, 48609, 72177, 92799, 113421, 145827, 216531, 264649, 340263, 649593, 793947, 1020789, 2381841, 7145523]

約数ペア:

[(1, 7145523), (3, 2381841), (7, 1020789), (9, 793947), (11, 649593), (21, 340263), (27, 264649), (33, 216531), (49, 145827), (63, 113421), (77, 92799), (99, 72177), (147, 48609), (189, 37807), (231, 30933), (297, 24059), (441, 16203), (491, 14553), (539, 13257), (693, 10311), (1323, 5401), (1473, 4851), (1617, 4419), (2079, 3437)]