215471619

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{503}}^1\times {\mathrm{4327}}^1$

素因数の和:4847

約数の個数: 24

約数和(自身を含む): 340284672

約数和(自身を除く): 124813053

約数列:

[1, 3, 9, 11, 33, 99, 503, 1509, 4327, 4527, 5533, 12981, 16599, 38943, 47597, 49797, 142791, 428373, 2176481, 6529443, 19588329, 23941291, 71823873, 215471619]

約数ペア:

[(1, 215471619), (3, 71823873), (9, 23941291), (11, 19588329), (33, 6529443), (99, 2176481), (503, 428373), (1509, 142791), (4327, 49797), (4527, 47597), (5533, 38943), (12981, 16599)]