15329979

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1423}}^1$

素因数の和:1461

約数の個数: 40

約数和(自身を含む): 27568640

約数和(自身を除く): 12238661

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 399, 513, 567, 1197, 1423, 1539, 3591, 4269, 9961, 10773, 12807, 27037, 29883, 38421, 81111, 89649, 115263, 189259, 243333, 268947, 567777, 729999, 806841, 1703331, 2189997, 5109993, 15329979]

約数ペア:

[(1, 15329979), (3, 5109993), (7, 2189997), (9, 1703331), (19, 806841), (21, 729999), (27, 567777), (57, 268947), (63, 243333), (81, 189259), (133, 115263), (171, 89649), (189, 81111), (399, 38421), (513, 29883), (567, 27037), (1197, 12807), (1423, 10773), (1539, 9961), (3591, 4269)]