81940935

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{383}}^1\times {\mathrm{839}}^1$

素因数の和:1247

約数の個数: 32

約数和(自身を含む): 139345920

約数和(自身を除く): 57404985

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 383, 839, 1149, 1915, 2517, 4195, 5745, 6511, 12585, 14263, 19533, 32555, 42789, 71315, 97665, 213945, 321337, 964011, 1606685, 4820055, 5462729, 16388187, 27313645, 81940935]

約数ペア:

[(1, 81940935), (3, 27313645), (5, 16388187), (15, 5462729), (17, 4820055), (51, 1606685), (85, 964011), (255, 321337), (383, 213945), (839, 97665), (1149, 71315), (1915, 42789), (2517, 32555), (4195, 19533), (5745, 14263), (6511, 12585)]