199212993

素因数分解:

$3^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{7583}}^1$

素因数の和:7738

約数の個数: 32

約数和(自身を含む): 339763200

約数和(自身を除く): 140550207

約数列:

[1, 3, 7, 9, 21, 27, 63, 139, 189, 417, 973, 1251, 2919, 3753, 7583, 8757, 22749, 26271, 53081, 68247, 159243, 204741, 477729, 1054037, 1433187, 3162111, 7378259, 9486333, 22134777, 28458999, 66404331, 199212993]

約数ペア:

[(1, 199212993), (3, 66404331), (7, 28458999), (9, 22134777), (21, 9486333), (27, 7378259), (63, 3162111), (139, 1433187), (189, 1054037), (417, 477729), (973, 204741), (1251, 159243), (2919, 68247), (3753, 53081), (7583, 26271), (8757, 22749)]