15393987

素因数分解:

$3^2\times 7^2\times {\mathrm{67}}^1\times {\mathrm{521}}^1$

素因数の和:608

約数の個数: 36

約数和(自身を含む): 26302536

約数和(自身を除く): 10908549

約数列:

[1, 3, 7, 9, 21, 49, 63, 67, 147, 201, 441, 469, 521, 603, 1407, 1563, 3283, 3647, 4221, 4689, 9849, 10941, 25529, 29547, 32823, 34907, 76587, 104721, 229761, 244349, 314163, 733047, 1710443, 2199141, 5131329, 15393987]

約数ペア:

[(1, 15393987), (3, 5131329), (7, 2199141), (9, 1710443), (21, 733047), (49, 314163), (63, 244349), (67, 229761), (147, 104721), (201, 76587), (441, 34907), (469, 32823), (521, 29547), (603, 25529), (1407, 10941), (1563, 9849), (3283, 4689), (3647, 4221)]