172782071

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{137}}^1\times {\mathrm{1489}}^1$

素因数の和:1655

約数の個数: 24

約数和(自身を含む): 218779680

約数和(自身を除く): 45997609

約数列:

[1, 7, 11, 77, 121, 137, 847, 959, 1489, 1507, 10423, 10549, 16379, 16577, 114653, 116039, 180169, 203993, 1261183, 1427951, 2243923, 15707461, 24683153, 172782071]

約数ペア:

[(1, 172782071), (7, 24683153), (11, 15707461), (77, 2243923), (121, 1427951), (137, 1261183), (847, 203993), (959, 180169), (1489, 116039), (1507, 114653), (10423, 16577), (10549, 16379)]