8400405

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1873}}^1$

素因数の和:1917

約数の個数: 32

約数和(自身を含む): 15111936

約数和(自身を除く): 6711531

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 897, 1495, 1873, 4485, 5619, 9365, 24349, 28095, 43079, 73047, 121745, 129237, 215395, 365235, 560027, 646185, 1680081, 2800135, 8400405]

約数ペア:

[(1, 8400405), (3, 2800135), (5, 1680081), (13, 646185), (15, 560027), (23, 365235), (39, 215395), (65, 129237), (69, 121745), (115, 73047), (195, 43079), (299, 28095), (345, 24349), (897, 9365), (1495, 5619), (1873, 4485)]