618996861

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{61027}}^1$

素因数の和:61070

約数の個数: 36

約数和(自身を含む): 1085321952

約数和(自身を除く): 466325091

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 207, 441, 483, 1127, 1449, 3381, 10143, 61027, 183081, 427189, 549243, 1281567, 1403621, 2990323, 3844701, 4210863, 8970969, 9825347, 12632589, 26912907, 29476041, 68777429, 88428123, 206332287, 618996861]

約数ペア:

[(1, 618996861), (3, 206332287), (7, 88428123), (9, 68777429), (21, 29476041), (23, 26912907), (49, 12632589), (63, 9825347), (69, 8970969), (147, 4210863), (161, 3844701), (207, 2990323), (441, 1403621), (483, 1281567), (1127, 549243), (1449, 427189), (3381, 183081), (10143, 61027)]