72144429

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{331}}^1$

素因数の和:545

約数の個数: 32

約数和(自身を含む): 112444416

約数和(自身を除く): 40299987

約数列:

[1, 3, 7, 21, 97, 107, 291, 321, 331, 679, 749, 993, 2037, 2247, 2317, 6951, 10379, 31137, 32107, 35417, 72653, 96321, 106251, 217959, 224749, 247919, 674247, 743757, 3435449, 10306347, 24048143, 72144429]

約数ペア:

[(1, 72144429), (3, 24048143), (7, 10306347), (21, 3435449), (97, 743757), (107, 674247), (291, 247919), (321, 224749), (331, 217959), (679, 106251), (749, 96321), (993, 72653), (2037, 35417), (2247, 32107), (2317, 31137), (6951, 10379)]