72977919

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{1087}}^1$

素因数の和:1259

約数の個数: 32

約数和(自身を含む): 116981760

約数和(自身を除く): 44003841

約数列:

[1, 3, 7, 21, 23, 69, 139, 161, 417, 483, 973, 1087, 2919, 3197, 3261, 7609, 9591, 22379, 22827, 25001, 67137, 75003, 151093, 175007, 453279, 525021, 1057651, 3172953, 3475139, 10425417, 24325973, 72977919]

約数ペア:

[(1, 72977919), (3, 24325973), (7, 10425417), (21, 3475139), (23, 3172953), (69, 1057651), (139, 525021), (161, 453279), (417, 175007), (483, 151093), (973, 75003), (1087, 67137), (2919, 25001), (3197, 22827), (3261, 22379), (7609, 9591)]