12197521

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:253

約数の個数: 24

約数和(自身を含む): 15102720

約数和(自身を除く): 2905199

約数列:

[1, 7, 23, 49, 79, 137, 161, 553, 959, 1127, 1817, 3151, 3871, 6713, 10823, 12719, 22057, 75761, 89033, 154399, 248929, 530327, 1742503, 12197521]

約数ペア:

[(1, 12197521), (7, 1742503), (23, 530327), (49, 248929), (79, 154399), (137, 89033), (161, 75761), (553, 22057), (959, 12719), (1127, 10823), (1817, 6713), (3151, 3871)]