64723869

素因数分解:

$3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{7499}}^1$

素因数の和:7649

約数の個数: 24

約数和(自身を含む): 107640000

約数和(自身を除く): 42916131

約数列:

[1, 3, 7, 9, 21, 63, 137, 411, 959, 1233, 2877, 7499, 8631, 22497, 52493, 67491, 157479, 472437, 1027363, 3082089, 7191541, 9246267, 21574623, 64723869]

約数ペア:

[(1, 64723869), (3, 21574623), (7, 9246267), (9, 7191541), (21, 3082089), (63, 1027363), (137, 472437), (411, 157479), (959, 67491), (1233, 52493), (2877, 22497), (7499, 8631)]