12219855

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{277}}^1$

素因数の和:475

約数の個数: 32

約数和(自身を含む): 20896704

約数和(自身を除く): 8676849

約数列:

[1, 3, 5, 15, 17, 51, 85, 173, 255, 277, 519, 831, 865, 1385, 2595, 2941, 4155, 4709, 8823, 14127, 14705, 23545, 44115, 47921, 70635, 143763, 239605, 718815, 814657, 2443971, 4073285, 12219855]

約数ペア:

[(1, 12219855), (3, 4073285), (5, 2443971), (15, 814657), (17, 718815), (51, 239605), (85, 143763), (173, 70635), (255, 47921), (277, 44115), (519, 23545), (831, 14705), (865, 14127), (1385, 8823), (2595, 4709), (2941, 4155)]