26479845

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{4003}}^1$

素因数の和:4031

約数の個数: 48

約数和(自身を含む): 54774720

約数和(自身を除く): 28294875

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 105, 135, 147, 189, 245, 315, 441, 735, 945, 1323, 2205, 4003, 6615, 12009, 20015, 28021, 36027, 60045, 84063, 108081, 140105, 180135, 196147, 252189, 420315, 540405, 588441, 756567, 980735, 1260945, 1765323, 2942205, 3782835, 5295969, 8826615, 26479845]

約数ペア:

[(1, 26479845), (3, 8826615), (5, 5295969), (7, 3782835), (9, 2942205), (15, 1765323), (21, 1260945), (27, 980735), (35, 756567), (45, 588441), (49, 540405), (63, 420315), (105, 252189), (135, 196147), (147, 180135), (189, 140105), (245, 108081), (315, 84063), (441, 60045), (735, 36027), (945, 28021), (1323, 20015), (2205, 12009), (4003, 6615)]