128541231

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{12073}}^1$

素因数の和:12112

約数の個数: 36

約数和(自身を含む): 229792368

約数和(自身を除く): 101251137

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 169, 273, 507, 819, 1183, 1521, 3549, 10647, 12073, 36219, 84511, 108657, 156949, 253533, 470847, 760599, 1098643, 1412541, 2040337, 3295929, 6121011, 9887787, 14282359, 18363033, 42847077, 128541231]

約数ペア:

[(1, 128541231), (3, 42847077), (7, 18363033), (9, 14282359), (13, 9887787), (21, 6121011), (39, 3295929), (63, 2040337), (91, 1412541), (117, 1098643), (169, 760599), (273, 470847), (507, 253533), (819, 156949), (1183, 108657), (1521, 84511), (3549, 36219), (10647, 12073)]