66789021

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{439}}^1$

素因数の和:585

約数の個数: 32

約数和(自身を含む): 99348480

約数和(自身を除く): 32559459

約数列:

[1, 3, 13, 39, 47, 83, 141, 249, 439, 611, 1079, 1317, 1833, 3237, 3901, 5707, 11703, 17121, 20633, 36437, 50713, 61899, 109311, 152139, 268229, 473681, 804687, 1421043, 1712539, 5137617, 22263007, 66789021]

約数ペア:

[(1, 66789021), (3, 22263007), (13, 5137617), (39, 1712539), (47, 1421043), (83, 804687), (141, 473681), (249, 268229), (439, 152139), (611, 109311), (1079, 61899), (1317, 50713), (1833, 36437), (3237, 20633), (3901, 17121), (5707, 11703)]