245985279

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{409}}^1$

素因数の和:695

約数の個数: 32

約数和(自身を含む): 352665600

約数和(自身を除く): 106680321

約数列:

[1, 3, 29, 31, 87, 93, 223, 409, 669, 899, 1227, 2697, 6467, 6913, 11861, 12679, 19401, 20739, 35583, 38037, 91207, 200477, 273621, 367691, 601431, 1103073, 2645003, 2827417, 7935009, 8482251, 81995093, 245985279]

約数ペア:

[(1, 245985279), (3, 81995093), (29, 8482251), (31, 7935009), (87, 2827417), (93, 2645003), (223, 1103073), (409, 601431), (669, 367691), (899, 273621), (1227, 200477), (2697, 91207), (6467, 38037), (6913, 35583), (11861, 20739), (12679, 19401)]