17721815031

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{19157}}^1$

素因数の和:19336

約数の個数: 48

約数和(自身を含む): 27615107520

約数和(自身を除く): 9893292489

約数列:

[1, 3, 9, 23, 41, 69, 109, 123, 207, 327, 369, 943, 981, 2507, 2829, 4469, 7521, 8487, 13407, 19157, 22563, 40221, 57471, 102787, 172413, 308361, 440611, 785437, 925083, 1321833, 2088113, 2356311, 3965499, 6264339, 7068933, 18065051, 18793017, 48026599, 54195153, 85612633, 144079797, 162585459, 256837899, 432239391, 770513697, 1969090559, 5907271677, 17721815031]

約数ペア:

[(1, 17721815031), (3, 5907271677), (9, 1969090559), (23, 770513697), (41, 432239391), (69, 256837899), (109, 162585459), (123, 144079797), (207, 85612633), (327, 54195153), (369, 48026599), (943, 18793017), (981, 18065051), (2507, 7068933), (2829, 6264339), (4469, 3965499), (7521, 2356311), (8487, 2088113), (13407, 1321833), (19157, 925083), (22563, 785437), (40221, 440611), (57471, 308361), (102787, 172413)]