207931479

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{421}}^1\times {\mathrm{811}}^1$

素因数の和:1271

約数の個数: 32

約数和(自身を含む): 328957440

約数和(自身を除く): 121025961

約数列:

[1, 3, 7, 21, 29, 87, 203, 421, 609, 811, 1263, 2433, 2947, 5677, 8841, 12209, 17031, 23519, 36627, 70557, 85463, 164633, 256389, 341431, 493899, 1024293, 2390017, 7170051, 9901499, 29704497, 69310493, 207931479]

約数ペア:

[(1, 207931479), (3, 69310493), (7, 29704497), (21, 9901499), (29, 7170051), (87, 2390017), (203, 1024293), (421, 493899), (609, 341431), (811, 256389), (1263, 164633), (2433, 85463), (2947, 70557), (5677, 36627), (8841, 23519), (12209, 17031)]