188077221

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{389}}^1$

素因数の和:575

約数の個数: 40

約数和(自身を含む): 289935360

約数和(自身を除く): 101858139

約数列:

[1, 3, 9, 27, 47, 81, 127, 141, 381, 389, 423, 1143, 1167, 1269, 3429, 3501, 3807, 5969, 10287, 10503, 17907, 18283, 31509, 49403, 53721, 54849, 148209, 161163, 164547, 444627, 483489, 493641, 1333881, 1480923, 2321941, 4001643, 6965823, 20897469, 62692407, 188077221]

約数ペア:

[(1, 188077221), (3, 62692407), (9, 20897469), (27, 6965823), (47, 4001643), (81, 2321941), (127, 1480923), (141, 1333881), (381, 493641), (389, 483489), (423, 444627), (1143, 164547), (1167, 161163), (1269, 148209), (3429, 54849), (3501, 53721), (3807, 49403), (5969, 31509), (10287, 18283), (10503, 17907)]