1277776569

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{20599}}^1$

素因数の和:20685

約数の個数: 32

約数和(自身を含む): 1898496000

約数和(自身を除く): 620719431

約数列:

[1, 3, 23, 29, 31, 69, 87, 93, 667, 713, 899, 2001, 2139, 2697, 20599, 20677, 61797, 62031, 473777, 597371, 638569, 1421331, 1792113, 1915707, 13739533, 14687087, 18518501, 41218599, 44061261, 55555503, 425925523, 1277776569]

約数ペア:

[(1, 1277776569), (3, 425925523), (23, 55555503), (29, 44061261), (31, 41218599), (69, 18518501), (87, 14687087), (93, 13739533), (667, 1915707), (713, 1792113), (899, 1421331), (2001, 638569), (2139, 597371), (2697, 473777), (20599, 62031), (20677, 61797)]