2124915

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{641}}^1$

素因数の和:679

約数の個数: 32

約数和(自身を含む): 3882816

約数和(自身を除く): 1757901

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 641, 663, 1105, 1923, 3205, 3315, 8333, 9615, 10897, 24999, 32691, 41665, 54485, 124995, 141661, 163455, 424983, 708305, 2124915]

約数ペア:

[(1, 2124915), (3, 708305), (5, 424983), (13, 163455), (15, 141661), (17, 124995), (39, 54485), (51, 41665), (65, 32691), (85, 24999), (195, 10897), (221, 9615), (255, 8333), (641, 3315), (663, 3205), (1105, 1923)]