128464407

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{5591}}^1$

素因数の和:5660

約数の個数: 32

約数和(自身を含む): 203996160

約数和(自身を除く): 75531753

約数列:

[1, 3, 9, 23, 27, 37, 69, 111, 207, 333, 621, 851, 999, 2553, 5591, 7659, 16773, 22977, 50319, 128593, 150957, 206867, 385779, 620601, 1157337, 1861803, 3472011, 4757941, 5585409, 14273823, 42821469, 128464407]

約数ペア:

[(1, 128464407), (3, 42821469), (9, 14273823), (23, 5585409), (27, 4757941), (37, 3472011), (69, 1861803), (111, 1157337), (207, 620601), (333, 385779), (621, 206867), (851, 150957), (999, 128593), (2553, 50319), (5591, 22977), (7659, 16773)]