289293711

素因数分解:

$3^1\times 7^1\times {\mathrm{991}}^1\times {\mathrm{13901}}^1$

素因数の和:14902

約数の個数: 16

約数和(自身を含む): 441305088

約数和(自身を除く): 152011377

約数列:

[1, 3, 7, 21, 991, 2973, 6937, 13901, 20811, 41703, 97307, 291921, 13775891, 41327673, 96431237, 289293711]

約数ペア:

[(1, 289293711), (3, 96431237), (7, 41327673), (21, 13775891), (991, 291921), (2973, 97307), (6937, 41703), (13901, 20811)]