81958905

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{86729}}^1$

素因数の和:86750

約数の個数: 32

約数和(自身を含む): 166521600

約数和(自身を除く): 84562695

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 86729, 260187, 433645, 607103, 780561, 1300935, 1821309, 2341683, 3035515, 3902805, 5463927, 9106545, 11708415, 16391781, 27319635, 81958905]

約数ペア:

[(1, 81958905), (3, 27319635), (5, 16391781), (7, 11708415), (9, 9106545), (15, 5463927), (21, 3902805), (27, 3035515), (35, 2341683), (45, 1821309), (63, 1300935), (105, 780561), (135, 607103), (189, 433645), (315, 260187), (945, 86729)]