128520297

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{349}}^1\times {\mathrm{593}}^1$

素因数の和:974

約数の個数: 32

約数和(自身を含む): 199584000

約数和(自身を除く): 71063703

約数列:

[1, 3, 9, 23, 27, 69, 207, 349, 593, 621, 1047, 1779, 3141, 5337, 8027, 9423, 13639, 16011, 24081, 40917, 72243, 122751, 206957, 216729, 368253, 620871, 1862613, 4760011, 5587839, 14280033, 42840099, 128520297]

約数ペア:

[(1, 128520297), (3, 42840099), (9, 14280033), (23, 5587839), (27, 4760011), (69, 1862613), (207, 620871), (349, 368253), (593, 216729), (621, 206957), (1047, 122751), (1779, 72243), (3141, 40917), (5337, 24081), (8027, 16011), (9423, 13639)]