81134172

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{321961}}^1$

素因数の和:321978

約数の個数: 36

約数和(自身を含む): 234388336

約数和(自身を除く): 153254164

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 321961, 643922, 965883, 1287844, 1931766, 2253727, 2897649, 3863532, 4507454, 5795298, 6761181, 9014908, 11590596, 13522362, 20283543, 27044724, 40567086, 81134172]

約数ペア:

[(1, 81134172), (2, 40567086), (3, 27044724), (4, 20283543), (6, 13522362), (7, 11590596), (9, 9014908), (12, 6761181), (14, 5795298), (18, 4507454), (21, 3863532), (28, 2897649), (36, 2253727), (42, 1931766), (63, 1287844), (84, 965883), (126, 643922), (252, 321961)]