199212867

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{137483}}^1$

素因数の和:137519

約数の個数: 24

約数和(自身を含む): 343160064

約数和(自身を除く): 143947197

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 137483, 412449, 962381, 1237347, 2887143, 3162109, 8661429, 9486327, 22134763, 28458981, 66404289, 199212867]

約数ペア:

[(1, 199212867), (3, 66404289), (7, 28458981), (9, 22134763), (21, 9486327), (23, 8661429), (63, 3162109), (69, 2887143), (161, 1237347), (207, 962381), (483, 412449), (1449, 137483)]