621541539

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{4091}}^1$

素因数の和:4448

約数の個数: 32

約数和(自身を含む): 978151680

約数和(自身を除く): 356610141

約数列:

[1, 3, 9, 17, 27, 51, 153, 331, 459, 993, 2979, 4091, 5627, 8937, 12273, 16881, 36819, 50643, 69547, 110457, 151929, 208641, 625923, 1354121, 1877769, 4062363, 12187089, 23020057, 36561267, 69060171, 207180513, 621541539]

約数ペア:

[(1, 621541539), (3, 207180513), (9, 69060171), (17, 36561267), (27, 23020057), (51, 12187089), (153, 4062363), (331, 1877769), (459, 1354121), (993, 625923), (2979, 208641), (4091, 151929), (5627, 110457), (8937, 69547), (12273, 50643), (16881, 36819)]