219921789

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{797}}^1$

素因数の和:969

約数の個数: 32

約数和(自身を含む): 318689280

約数和(自身を除く): 98767491

約数列:

[1, 3, 19, 47, 57, 103, 141, 309, 797, 893, 1957, 2391, 2679, 4841, 5871, 14523, 15143, 37459, 45429, 82091, 91979, 112377, 246273, 275937, 711721, 1559729, 2135163, 3858277, 4679187, 11574831, 73307263, 219921789]

約数ペア:

[(1, 219921789), (3, 73307263), (19, 11574831), (47, 4679187), (57, 3858277), (103, 2135163), (141, 1559729), (309, 711721), (797, 275937), (893, 246273), (1957, 112377), (2391, 91979), (2679, 82091), (4841, 45429), (5871, 37459), (14523, 15143)]