217760451

素因数分解:

$3^1\times {\mathrm{197}}^1\times {\mathrm{229}}^1\times {\mathrm{1609}}^1$

素因数の和:2038

約数の個数: 16

約数和(自身を含む): 293277600

約数和(自身を除く): 75517149

約数列:

[1, 3, 197, 229, 591, 687, 1609, 4827, 45113, 135339, 316973, 368461, 950919, 1105383, 72586817, 217760451]

約数ペア:

[(1, 217760451), (3, 72586817), (197, 1105383), (229, 950919), (591, 368461), (687, 316973), (1609, 135339), (4827, 45113)]