128468403

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{18371}}^1$

素因数の和:18424

約数の個数: 32

約数和(自身を含む): 223403520

約数和(自身を除く): 94935117

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 111, 189, 259, 333, 777, 999, 2331, 6993, 18371, 55113, 128597, 165339, 385791, 496017, 679727, 1157373, 2039181, 3472119, 4758089, 6117543, 14274267, 18352629, 42822801, 128468403]

約数ペア:

[(1, 128468403), (3, 42822801), (7, 18352629), (9, 14274267), (21, 6117543), (27, 4758089), (37, 3472119), (63, 2039181), (111, 1157373), (189, 679727), (259, 496017), (333, 385791), (777, 165339), (999, 128597), (2331, 55113), (6993, 18371)]