198513

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:173

約数の個数: 24

約数和(自身を含む): 344448

約数和(自身を除く): 145935

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 137, 161, 207, 411, 483, 959, 1233, 1449, 2877, 3151, 8631, 9453, 22057, 28359, 66171, 198513]

約数ペア:

[(1, 198513), (3, 66171), (7, 28359), (9, 22057), (21, 9453), (23, 8631), (63, 3151), (69, 2877), (137, 1449), (161, 1233), (207, 959), (411, 483)]