6640515

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{7027}}^1$

素因数の和:7048

約数の個数: 32

約数和(自身を含む): 13493760

約数和(自身を除く): 6853245

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 7027, 21081, 35135, 49189, 63243, 105405, 147567, 189729, 245945, 316215, 442701, 737835, 948645, 1328103, 2213505, 6640515]

約数ペア:

[(1, 6640515), (3, 2213505), (5, 1328103), (7, 948645), (9, 737835), (15, 442701), (21, 316215), (27, 245945), (35, 189729), (45, 147567), (63, 105405), (105, 63243), (135, 49189), (189, 35135), (315, 21081), (945, 7027)]