31921971

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:443

約数の個数: 32

約数和(自身を含む): 47425536

約数和(自身を除く): 15503565

約数列:

[1, 3, 17, 31, 51, 61, 93, 183, 331, 527, 993, 1037, 1581, 1891, 3111, 5627, 5673, 10261, 16881, 20191, 30783, 32147, 60573, 96441, 174437, 343247, 523311, 625921, 1029741, 1877763, 10640657, 31921971]

約数ペア:

[(1, 31921971), (3, 10640657), (17, 1877763), (31, 1029741), (51, 625921), (61, 523311), (93, 343247), (183, 174437), (331, 96441), (527, 60573), (993, 32147), (1037, 30783), (1581, 20191), (1891, 16881), (3111, 10261), (5627, 5673)]