1218105

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{1289}}^1$

素因数の和:1310

約数の個数: 32

約数和(自身を含む): 2476800

約数和(自身を除く): 1258695

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 1289, 3867, 6445, 9023, 11601, 19335, 27069, 34803, 45115, 58005, 81207, 135345, 174015, 243621, 406035, 1218105]

約数ペア:

[(1, 1218105), (3, 406035), (5, 243621), (7, 174015), (9, 135345), (15, 81207), (21, 58005), (27, 45115), (35, 34803), (45, 27069), (63, 19335), (105, 11601), (135, 9023), (189, 6445), (315, 3867), (945, 1289)]