71260245

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{5261}}^1$

素因数の和:5322

約数の個数: 48

約数和(自身を含む): 144473472

約数和(自身を除く): 73213227

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 43, 45, 63, 105, 129, 215, 301, 315, 387, 645, 903, 1505, 1935, 2709, 4515, 5261, 13545, 15783, 26305, 36827, 47349, 78915, 110481, 184135, 226223, 236745, 331443, 552405, 678669, 1131115, 1583561, 1657215, 2036007, 3393345, 4750683, 7917805, 10180035, 14252049, 23753415, 71260245]

約数ペア:

[(1, 71260245), (3, 23753415), (5, 14252049), (7, 10180035), (9, 7917805), (15, 4750683), (21, 3393345), (35, 2036007), (43, 1657215), (45, 1583561), (63, 1131115), (105, 678669), (129, 552405), (215, 331443), (301, 236745), (315, 226223), (387, 184135), (645, 110481), (903, 78915), (1505, 47349), (1935, 36827), (2709, 26305), (4515, 15783), (5261, 13545)]