28910931

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{503}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 49641984

約数和(自身を除く): 20731053

約数列:

[1, 3, 7, 17, 21, 23, 49, 51, 69, 119, 147, 161, 357, 391, 483, 503, 833, 1127, 1173, 1509, 2499, 2737, 3381, 3521, 8211, 8551, 10563, 11569, 19159, 24647, 25653, 34707, 57477, 59857, 73941, 80983, 179571, 196673, 242949, 418999, 566881, 590019, 1256997, 1376711, 1700643, 4130133, 9636977, 28910931]

約数ペア:

[(1, 28910931), (3, 9636977), (7, 4130133), (17, 1700643), (21, 1376711), (23, 1256997), (49, 590019), (51, 566881), (69, 418999), (119, 242949), (147, 196673), (161, 179571), (357, 80983), (391, 73941), (483, 59857), (503, 57477), (833, 34707), (1127, 25653), (1173, 24647), (1509, 19159), (2499, 11569), (2737, 10563), (3381, 8551), (3521, 8211)]