81421218

素因数分解:

$2^1\times 3^2\times {\mathrm{97}}^1\times {\mathrm{46633}}^1$

素因数の和:46738

約数の個数: 24

約数和(自身を含む): 178235148

約数和(自身を除く): 96813930

約数列:

[1, 2, 3, 6, 9, 18, 97, 194, 291, 582, 873, 1746, 46633, 93266, 139899, 279798, 419697, 839394, 4523401, 9046802, 13570203, 27140406, 40710609, 81421218]

約数ペア:

[(1, 81421218), (2, 40710609), (3, 27140406), (6, 13570203), (9, 9046802), (18, 4523401), (97, 839394), (194, 419697), (291, 279798), (582, 139899), (873, 93266), (1746, 46633)]