53401881

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{191}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 78962688

約数和(自身を除く): 25560807

約数列:

[1, 3, 13, 39, 67, 107, 191, 201, 321, 573, 871, 1391, 2483, 2613, 4173, 7169, 7449, 12797, 20437, 21507, 38391, 61311, 93197, 166361, 265681, 279591, 499083, 797043, 1369279, 4107837, 17800627, 53401881]

約数ペア:

[(1, 53401881), (3, 17800627), (13, 4107837), (39, 1369279), (67, 797043), (107, 499083), (191, 279591), (201, 265681), (321, 166361), (573, 93197), (871, 61311), (1391, 38391), (2483, 21507), (2613, 20437), (4173, 12797), (7169, 7449)]