1991097069

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{331}}^1$

素因数の和:618

約数の個数: 64

約数和(自身を含む): 3121671168

約数和(自身を除く): 1130574099

約数列:

[1, 3, 13, 17, 39, 43, 51, 129, 211, 221, 331, 559, 633, 663, 731, 993, 1677, 2193, 2743, 3587, 4303, 5627, 8229, 9073, 9503, 10761, 12909, 14233, 16881, 27219, 28509, 42699, 46631, 69841, 73151, 117949, 139893, 154241, 185029, 209523, 219453, 241961, 353847, 462723, 555087, 725883, 907933, 1187297, 2005133, 2723799, 3003163, 3145493, 3561891, 6015399, 9009489, 9436479, 15434861, 39041119, 46304583, 51053771, 117123357, 153161313, 663699023, 1991097069]

約数ペア:

[(1, 1991097069), (3, 663699023), (13, 153161313), (17, 117123357), (39, 51053771), (43, 46304583), (51, 39041119), (129, 15434861), (211, 9436479), (221, 9009489), (331, 6015399), (559, 3561891), (633, 3145493), (663, 3003163), (731, 2723799), (993, 2005133), (1677, 1187297), (2193, 907933), (2743, 725883), (3587, 555087), (4303, 462723), (5627, 353847), (8229, 241961), (9073, 219453), (9503, 209523), (10761, 185029), (12909, 154241), (14233, 139893), (16881, 117949), (27219, 73151), (28509, 69841), (42699, 46631)]