20172784131

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{317}}^1\times {\mathrm{50147}}^1$

素因数の和:50520

約数の個数: 32

約数和(自身を含む): 30618362880

約数和(自身を除く): 10445578749

約数列:

[1, 3, 9, 27, 47, 141, 317, 423, 951, 1269, 2853, 8559, 14899, 44697, 50147, 134091, 150441, 402273, 451323, 1353969, 2356909, 7070727, 15896599, 21212181, 47689797, 63636543, 143069391, 429208173, 747140153, 2241420459, 6724261377, 20172784131]

約数ペア:

[(1, 20172784131), (3, 6724261377), (9, 2241420459), (27, 747140153), (47, 429208173), (141, 143069391), (317, 63636543), (423, 47689797), (951, 21212181), (1269, 15896599), (2853, 7070727), (8559, 2356909), (14899, 1353969), (44697, 451323), (50147, 402273), (134091, 150441)]