51236997

素因数分解:

$3^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1$

素因数の和:171

約数の個数: 64

約数和(自身を含む): 88128000

約数和(自身を除く): 36891003

約数列:

[1, 3, 7, 17, 21, 29, 49, 51, 87, 101, 119, 147, 203, 303, 343, 357, 493, 609, 707, 833, 1029, 1421, 1479, 1717, 2121, 2499, 2929, 3451, 4263, 4949, 5151, 5831, 8787, 9947, 10353, 12019, 14847, 17493, 20503, 24157, 29841, 34643, 36057, 49793, 61509, 72471, 84133, 103929, 143521, 149379, 169099, 252399, 348551, 430563, 507297, 588931, 1004647, 1045653, 1766793, 2439857, 3013941, 7319571, 17078999, 51236997]

約数ペア:

[(1, 51236997), (3, 17078999), (7, 7319571), (17, 3013941), (21, 2439857), (29, 1766793), (49, 1045653), (51, 1004647), (87, 588931), (101, 507297), (119, 430563), (147, 348551), (203, 252399), (303, 169099), (343, 149379), (357, 143521), (493, 103929), (609, 84133), (707, 72471), (833, 61509), (1029, 49793), (1421, 36057), (1479, 34643), (1717, 29841), (2121, 24157), (2499, 20503), (2929, 17493), (3451, 14847), (4263, 12019), (4949, 10353), (5151, 9947), (5831, 8787)]